diff --git a/lib/configurable/class_methods.rb b/lib/configurable/class_methods.rb
index d7952ce..079ee18 100644
--- a/lib/configurable/class_methods.rb
+++ b/lib/configurable/class_methods.rb
@@ -6,19 +6,19 @@ module Configurable
   
   # Hash of default config types (bool, integer, float, string).
   DEFAULT_CONFIG_TYPES = {
-    :bool    => ConfigTypes::BooleanType,
-    :integer => ConfigTypes::IntegerType,
-    :float   => ConfigTypes::FloatType,
-    :string  => ConfigTypes::StringType,
-    :nest    => ConfigTypes::NestType,
-    :obj     => ConfigTypes::ObjectType
+    :bool    => ConfigClasses::BooleanConfig,
+    :integer => ConfigClasses::IntegerConfig,
+    :float   => ConfigClasses::FloatConfig,
+    :string  => ConfigClasses::StringConfig,
+    :nest    => ConfigClasses::Nest,
+    :obj     => ConfigClasses::Config
   }
   
   # ClassMethods extends classes that include Configurable and provides methods
   # for declaring configurations.
   module ClassMethods
     include ConfigClasses
-    include ConfigTypes
+    include ConfigClasses
     
     # A hash of (key, Config) pairs tracking configs defined on self.  See the
     # configs method for all configs declared across all ancestors.
@@ -149,12 +149,16 @@ def config(key, default=nil, attrs={}, &block)
       nest_class = guess_nest_class(default, block)
       
       attrs[:default] = nest_class ? nest_class.new : default
-      attrs[:type]    = guess_config_type(attrs).new(attrs)
       attrs[:desc]    = guess_config_desc(attrs, Lazydoc.register_caller)
-
-      config_class = attrs[:class] || guess_config_class(attrs)
+      attrs[:list]    = default.kind_of?(Array) unless attrs.has_key?(:list)
+      
+      config_class = guess_config_type(attrs)
       config = define_config(key, attrs, config_class)
-
+      
+      if attrs[:list]
+        config.extend List
+      end
+      
       if nest_class
         const_name = attrs[:const_name] || guess_nest_const_name(config)
         unless const_defined?(const_name)
@@ -232,7 +236,7 @@ def define_config_type(name, config_type)
     end
     
     def config_type(name, *matchers, &caster)
-      config_type = StringType.subclass(*matchers).cast(&caster)
+      config_type = StringConfig.subclass(*matchers).cast(&caster)
       const_name  = guess_config_type_const_name(name)
       
       unless const_defined?(const_name)
@@ -257,7 +261,7 @@ def remove_config_type(name)
     #
     # ==== Implementation Note
     #
-    # ConfigTypes are undefined by setting the key to nil in the registry.
+    # ConfigClasses are undefined by setting the key to nil in the registry.
     # Deleting the config_type is not sufficient because the registry needs to
     # convey to self and subclasses to not inherit the config_type from
     # ancestors.
@@ -354,7 +358,7 @@ def guess_config_type_by_value(value) # :nodoc:
         end
       end
       
-      ObjectType
+      Config
     end
     
     def guess_config_type(attrs) # :nodoc:
@@ -367,17 +371,6 @@ def guess_config_type(attrs) # :nodoc:
       end
     end
     
-    def guess_config_class(attrs) # :nodoc:
-      case attrs[:default]
-      when Array
-        List
-      when Configurable
-        Nest
-      else
-        Config
-      end
-    end
-    
     def guess_config_desc(base_attrs, comment) # :nodoc:
       Hash.new do |hash, key|
         comment.resolve
diff --git a/lib/configurable/config_classes.rb b/lib/configurable/config_classes.rb
index e845f33..c107152 100644
--- a/lib/configurable/config_classes.rb
+++ b/lib/configurable/config_classes.rb
@@ -1,3 +1,7 @@
 require 'configurable/config_classes/config'
 require 'configurable/config_classes/list'
 require 'configurable/config_classes/nest'
+require 'configurable/config_classes/string_config'
+require 'configurable/config_classes/boolean_config'
+require 'configurable/config_classes/integer_config'
+require 'configurable/config_classes/float_config'
diff --git a/lib/configurable/config_types/boolean_type.rb b/lib/configurable/config_classes/boolean_config.rb
similarity index 88%
rename from lib/configurable/config_types/boolean_type.rb
rename to lib/configurable/config_classes/boolean_config.rb
index 81e0086..f1a8456 100644
--- a/lib/configurable/config_types/boolean_type.rb
+++ b/lib/configurable/config_classes/boolean_config.rb
@@ -1,6 +1,6 @@
 module Configurable
-  module ConfigTypes
-    class BooleanType < StringType
+  module ConfigClasses
+    class BooleanConfig < StringConfig
       matches TrueClass, FalseClass
       
       # Casts the input to a boolean ie:
diff --git a/lib/configurable/config_classes/config.rb b/lib/configurable/config_classes/config.rb
index 52dae5c..1d726b3 100644
--- a/lib/configurable/config_classes/config.rb
+++ b/lib/configurable/config_classes/config.rb
@@ -1,11 +1,49 @@
-require 'configurable/config_types'
-
 module Configurable
   module ConfigClasses
     # ConfigClasses are used by ConfigHash to delegate get/set configs on a
     # receiver and to map configs between user interfaces.
     class Config
-      include ConfigTypes
+      class << self
+        attr_reader :matchers
+      
+        def inherited(base) # :nodoc:
+          unless base.instance_variable_defined?(:@matchers)
+            base.instance_variable_set(:@matchers, matchers.dup)
+          end
+        end
+        
+        def subclass(*matchers, &caster)
+          subclass = Class.new(self)
+          subclass.matches(*matchers)
+          subclass.cast(&caster)
+          subclass
+        end
+      
+        def cast(&block)
+          define_method(:cast, &block) if block
+          self
+        end
+      
+        def uncast(&block)
+          define_method(:uncast, &block) if block
+          self
+        end
+      
+        def errors(&block)
+          define_method(:errors, &block) if block
+          self
+        end
+      
+        def matches(*matchers)
+          @matchers = matchers
+          self
+        end
+      
+        def matches?(value)
+          matchers.any? {|matcher| matcher === value }
+        end
+      end
+      matches()
       
       # The config key, used as a hash key for access.
       attr_reader :key
@@ -23,9 +61,6 @@ class Config
       # The default config value.
       attr_reader :default
       
-      # The config type for self (defaults to an ObjectType)
-      attr_reader :type
-      
       # A hash of information used to render self in various contexts.
       attr_reader :desc
       
@@ -37,7 +72,6 @@ def initialize(key, attrs={})
         check_name(@name)
         
         @default  = attrs[:default]
-        @type     = attrs[:type] || ObjectType.new
         check_default(@default)
         
         @reader   = (attrs[:reader] || name).to_sym
@@ -58,13 +92,13 @@ def get(receiver)
       def set(receiver, value)
         receiver.send(writer, value)
       end
-    
+      
       def cast(input)
-        type.cast(input)
+        input
       end
       
       def uncast(value)
-        type.uncast(value)
+        value
       end
       
       # Returns an inspect string.
diff --git a/lib/configurable/config_types/float_type.rb b/lib/configurable/config_classes/float_config.rb
similarity index 64%
rename from lib/configurable/config_types/float_type.rb
rename to lib/configurable/config_classes/float_config.rb
index cc1ca0c..364346c 100644
--- a/lib/configurable/config_types/float_type.rb
+++ b/lib/configurable/config_classes/float_config.rb
@@ -1,6 +1,6 @@
 module Configurable
-  module ConfigTypes
-    class FloatType < StringType
+  module ConfigClasses
+    class FloatConfig < StringConfig
       matches Float
       
       def cast(input)
diff --git a/lib/configurable/config_types/integer_type.rb b/lib/configurable/config_classes/integer_config.rb
similarity index 64%
rename from lib/configurable/config_types/integer_type.rb
rename to lib/configurable/config_classes/integer_config.rb
index d4ceec4..b3eb11e 100644
--- a/lib/configurable/config_types/integer_type.rb
+++ b/lib/configurable/config_classes/integer_config.rb
@@ -1,6 +1,6 @@
 module Configurable
-  module ConfigTypes
-    class IntegerType < StringType
+  module ConfigClasses
+    class IntegerConfig < StringConfig
       matches Integer
       
       def cast(input)
diff --git a/lib/configurable/config_classes/list.rb b/lib/configurable/config_classes/list.rb
index 33c454e..f2f03bb 100644
--- a/lib/configurable/config_classes/list.rb
+++ b/lib/configurable/config_classes/list.rb
@@ -1,16 +1,6 @@
 module Configurable
   module ConfigClasses
-    
-    class List < Config
-      
-      def initialize(key, attrs={})
-        unless attrs.has_key?(:default)
-          attrs[:default] = []
-        end
-        
-        super
-      end
-      
+    module List
       def cast(values)
         results = []
         values.each {|value| results << super(value) } 
diff --git a/lib/configurable/config_classes/nest.rb b/lib/configurable/config_classes/nest.rb
index 90f2736..729f154 100644
--- a/lib/configurable/config_classes/nest.rb
+++ b/lib/configurable/config_classes/nest.rb
@@ -3,6 +3,7 @@ module ConfigClasses
     
     # Represents a config where the input is expected to be Configurable.
     class Nest < Config
+      matches Configurable
       
       def configurable
         @default
@@ -38,6 +39,14 @@ def set(receiver, value)
         end
       end
       
+      def cast(input)
+        configurable.class.configs.import(input)
+      end
+      
+      def uncast(value)
+        configurable.class.configs.export(value)
+      end
+      
       protected
       
       def check_default(default) # :nodoc:
diff --git a/lib/configurable/config_types/string_type.rb b/lib/configurable/config_classes/string_config.rb
similarity index 75%
rename from lib/configurable/config_types/string_type.rb
rename to lib/configurable/config_classes/string_config.rb
index 2e983a5..8fba940 100644
--- a/lib/configurable/config_types/string_type.rb
+++ b/lib/configurable/config_classes/string_config.rb
@@ -1,6 +1,6 @@
 module Configurable
-  module ConfigTypes
-    class StringType < ObjectType
+  module ConfigClasses
+    class StringConfig < Config
       matches String
       
       def cast(input)
diff --git a/lib/configurable/config_types.rb b/lib/configurable/config_types.rb
deleted file mode 100644
index 159f28e..0000000
--- a/lib/configurable/config_types.rb
+++ /dev/null
@@ -1,6 +0,0 @@
-require 'configurable/config_types/object_type'
-require 'configurable/config_types/string_type'
-require 'configurable/config_types/boolean_type'
-require 'configurable/config_types/integer_type'
-require 'configurable/config_types/float_type'
-require 'configurable/config_types/nest_type'
diff --git a/lib/configurable/config_types/nest_type.rb b/lib/configurable/config_types/nest_type.rb
deleted file mode 100644
index 931b711..0000000
--- a/lib/configurable/config_types/nest_type.rb
+++ /dev/null
@@ -1,27 +0,0 @@
-module Configurable
-  module ConfigTypes
-    class NestType < ObjectType
-      matches Configurable
-      
-      attr_reader :configurable
-      
-      def initialize(attrs={})
-        @configurable = attrs[:default]
-        
-        unless configurable.kind_of?(Configurable)
-          raise ArgumentError, "not a Configurable: #{configurable.inspect}"
-        end
-        
-        super
-      end
-      
-      def cast(input)
-        configurable.class.configs.import(input)
-      end
-      
-      def uncast(value)
-        configurable.class.configs.export(value)
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/configurable/config_types/object_type.rb b/lib/configurable/config_types/object_type.rb
deleted file mode 100644
index 9f592ee..0000000
--- a/lib/configurable/config_types/object_type.rb
+++ /dev/null
@@ -1,58 +0,0 @@
-module Configurable
-  module ConfigTypes
-    class ObjectType
-      class << self
-        attr_reader :matchers
-      
-        def inherited(base) # :nodoc:
-          unless base.instance_variable_defined?(:@matchers)
-            base.instance_variable_set(:@matchers, matchers.dup)
-          end
-        end
-        
-        def subclass(*matchers, &caster)
-          subclass = Class.new(self)
-          subclass.matches(*matchers)
-          subclass.cast(&caster)
-          subclass
-        end
-      
-        def cast(&block)
-          define_method(:cast, &block) if block
-          self
-        end
-      
-        def uncast(&block)
-          define_method(:uncast, &block) if block
-          self
-        end
-      
-        def errors(&block)
-          define_method(:errors, &block) if block
-          self
-        end
-      
-        def matches(*matchers)
-          @matchers = matchers
-          self
-        end
-      
-        def matches?(value)
-          matchers.any? {|matcher| matcher === value }
-        end
-      end
-      matches()
-      
-      def initialize(attrs={})
-      end
-      
-      def cast(input)
-        input
-      end
-      
-      def uncast(value)
-        value
-      end
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/configurable/conversions.rb b/lib/configurable/conversions.rb
index 0c773aa..edf227a 100644
--- a/lib/configurable/conversions.rb
+++ b/lib/configurable/conversions.rb
@@ -27,7 +27,7 @@ def to_parser(*args, &block)
           :key       => config.key, 
           :nest_keys => nest_keys,
           :default   => config.default,
-          :callback  => lambda {|value| config.type.cast(value) }
+          :callback  => lambda {|value| config.cast(value) }
         }
         
         attrs = guess_attrs.merge(config.desc).merge(config_attrs)
diff --git a/test/configurable/config_types/boolean_type_test.rb b/test/configurable/config_classes/boolean_config_test.rb
similarity index 79%
rename from test/configurable/config_types/boolean_type_test.rb
rename to test/configurable/config_classes/boolean_config_test.rb
index 9f7d7d7..934c327 100644
--- a/test/configurable/config_types/boolean_type_test.rb
+++ b/test/configurable/config_classes/boolean_config_test.rb
@@ -1,13 +1,13 @@
 require File.expand_path('../../../test_helper', __FILE__) 
-require 'configurable/config_types'
+require 'configurable/config_classes'
 
-class BooleanTypeTest < Test::Unit::TestCase
-  include Configurable::ConfigTypes
+class BooleanConfigTest < Test::Unit::TestCase
+  include Configurable::ConfigClasses
   
   attr_reader :type
   
   def setup
-    @type = BooleanType.new
+    @type = BooleanConfig.new(:key)
   end
   
   #
diff --git a/test/configurable/config_classes/config_test.rb b/test/configurable/config_classes/config_test.rb
index 42537ef..9bb01e9 100644
--- a/test/configurable/config_classes/config_test.rb
+++ b/test/configurable/config_classes/config_test.rb
@@ -3,7 +3,7 @@
 
 class ConfigTest < Test::Unit::TestCase
   include Configurable::ConfigClasses
-  include Configurable::ConfigTypes
+  include Configurable::ConfigClasses
   
   attr_reader :config
   
@@ -85,22 +85,4 @@ def test_set_calls_writer_on_receiver_with_input
     config.set(receiver, 'value')
     assert_equal 'value', receiver.key
   end
-  
-  #
-  # cast test
-  #
-  
-  def test_cast_casts_input_using_type
-    config = Config.new(:key, :type => IntegerType.new)
-    assert_equal 1, config.cast('1')
-  end
-  
-  #
-  # uncast test
-  #
-  
-  def test_uncast_uncasts_value_using_type
-    config = Config.new(:key, :type => IntegerType.new)
-    assert_equal '1', config.uncast(1)
-  end
 end
diff --git a/test/configurable/config_types/float_type_test.rb b/test/configurable/config_classes/float_config_test.rb
similarity index 68%
rename from test/configurable/config_types/float_type_test.rb
rename to test/configurable/config_classes/float_config_test.rb
index f8aa564..6e5a923 100644
--- a/test/configurable/config_types/float_type_test.rb
+++ b/test/configurable/config_classes/float_config_test.rb
@@ -1,13 +1,13 @@
 require File.expand_path('../../../test_helper', __FILE__) 
-require 'configurable/config_types'
+require 'configurable/config_classes'
 
-class FloatTypeTest < Test::Unit::TestCase
-  include Configurable::ConfigTypes
+class FloatConfigTest < Test::Unit::TestCase
+  include Configurable::ConfigClasses
   
   attr_reader :type
   
   def setup
-    @type = FloatType.new
+    @type = FloatConfig.new(:key)
   end
   
   #
diff --git a/test/configurable/config_types/integer_type_test.rb b/test/configurable/config_classes/integer_config_test.rb
similarity index 67%
rename from test/configurable/config_types/integer_type_test.rb
rename to test/configurable/config_classes/integer_config_test.rb
index dc44cb8..4184718 100644
--- a/test/configurable/config_types/integer_type_test.rb
+++ b/test/configurable/config_classes/integer_config_test.rb
@@ -1,13 +1,13 @@
 require File.expand_path('../../../test_helper', __FILE__) 
-require 'configurable/config_types'
+require 'configurable/config_classes'
 
-class IntegerTypeTest < Test::Unit::TestCase
-  include Configurable::ConfigTypes
+class IntegerConfigTest < Test::Unit::TestCase
+  include Configurable::ConfigClasses
   
   attr_reader :type
   
   def setup
-    @type = IntegerType.new
+    @type = IntegerConfig.new(:key)
   end
   
   #
diff --git a/test/configurable/config_classes/list_test.rb b/test/configurable/config_classes/list_test.rb
index cd284d4..79b6e1c 100644
--- a/test/configurable/config_classes/list_test.rb
+++ b/test/configurable/config_classes/list_test.rb
@@ -3,12 +3,12 @@
 
 class ListTest < Test::Unit::TestCase
   include Configurable::ConfigClasses
-  include Configurable::ConfigTypes
+  include Configurable::ConfigClasses
   
   attr_reader :list
   
   def setup
-    @list = List.new(:key)
+    @list = Config.new(:key).extend List
   end
   
   #
@@ -16,7 +16,7 @@ def setup
   #
   
   def test_cast_casts_each_value_of_the_input
-    list = List.new(:key, :type => IntegerType.new)
+    list = IntegerConfig.new(:key).extend List
     
     input = [1,'2',3]
     output = list.cast(input)
@@ -30,7 +30,7 @@ def test_cast_casts_each_value_of_the_input
   #
   
   def test_uncast_uncasts_each_value_of_the_input
-    list = List.new(:key, :type => IntegerType.new)
+    list = IntegerConfig.new(:key).extend List
     
     input = [1,'2',3]
     output = list.uncast(input)
diff --git a/test/configurable/config_classes/nest_test.rb b/test/configurable/config_classes/nest_test.rb
index b2df39b..dc08c3a 100644
--- a/test/configurable/config_classes/nest_test.rb
+++ b/test/configurable/config_classes/nest_test.rb
@@ -1,12 +1,12 @@
 require File.expand_path('../../../test_helper', __FILE__) 
 require 'configurable/config_classes'
-require 'configurable/config_types'
+require 'configurable/config_classes'
 require 'configurable/config_hash'
 require 'ostruct'
 
 class NestTest < Test::Unit::TestCase
   include Configurable::ConfigClasses
-  include Configurable::ConfigTypes
+  include Configurable::ConfigClasses
   ConfigHash = Configurable::ConfigHash
   
   class Parent < OpenStruct
diff --git a/test/configurable/config_types/string_type_test.rb b/test/configurable/config_classes/string_config_test.rb
similarity index 66%
rename from test/configurable/config_types/string_type_test.rb
rename to test/configurable/config_classes/string_config_test.rb
index 1d92aaa..3ceb64a 100644
--- a/test/configurable/config_types/string_type_test.rb
+++ b/test/configurable/config_classes/string_config_test.rb
@@ -1,13 +1,13 @@
 require File.expand_path('../../../test_helper', __FILE__) 
-require 'configurable/config_types'
+require 'configurable/config_classes'
 
-class StringTypeTest < Test::Unit::TestCase
-  include Configurable::ConfigTypes
+class StringConfigTest < Test::Unit::TestCase
+  include Configurable::ConfigClasses
   
   attr_reader :type
   
   def setup
-    @type = StringType.new
+    @type = StringConfig.new(:key)
   end
   
   #
diff --git a/test/configurable/config_types/object_type_test.rb b/test/configurable/config_types/object_type_test.rb
deleted file mode 100644
index 5241819..0000000
--- a/test/configurable/config_types/object_type_test.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-require File.expand_path('../../../test_helper', __FILE__) 
-require 'configurable/config_types'
-
-class ObjectTypeTest < Test::Unit::TestCase
-  include Configurable::ConfigTypes
-  
-  attr_reader :type
-  
-  def setup
-    @type = ObjectType.new
-  end
-  
-  #
-  # cast test
-  #
-  
-  def test_cast_returns_input
-    obj = Object.new
-    assert_equal obj.object_id, type.cast(obj).object_id
-  end
-  
-  #
-  # uncast test
-  #
-  
-  def test_uncast_returns_value
-    obj = Object.new
-    assert_equal obj.object_id, type.uncast(obj).object_id
-  end
-end
\ No newline at end of file
diff --git a/test/configurable/conversions_test.rb b/test/configurable/conversions_test.rb
index f841567..9ff27bb 100644
--- a/test/configurable/conversions_test.rb
+++ b/test/configurable/conversions_test.rb
@@ -1,10 +1,10 @@
 require File.expand_path('../../test_helper', __FILE__)
 require 'configurable/conversions'
-require 'configurable/config_types'
+require 'configurable/config_classes'
 
 class ConversionsTest < Test::Unit::TestCase
   include Configurable::ConfigClasses
-  include Configurable::ConfigTypes
+  include Configurable::ConfigClasses
   Conversions = Configurable::Conversions
   
   attr_accessor :configs
@@ -14,9 +14,9 @@ def setup
     @configs.extend Conversions
   end
   
-  def config(key, attrs={}, &caster)
-    attrs[:type] = StringType.subclass(&caster).new(attrs) if caster
-    configs[key] = Config.new(key, attrs)
+  def config(key, attrs={}, config_class = Config, &caster)
+    config_class = caster ? StringConfig.subclass(&caster) : config_class
+    configs[key] = config_class.new(key, attrs)
   end
   
   #
@@ -122,7 +122,7 @@ def test_export_maps_config_keys_to_config_names
   end
 
   def test_export_exports_values
-    config(:one, :type => IntegerType.new)
+    config(:one, {}, IntegerConfig)
 
     assert_equal({
       'one' => '1'
diff --git a/test/configurable_test.rb b/test/configurable_test.rb
index ec20073..16a3af8 100644
--- a/test/configurable_test.rb
+++ b/test/configurable_test.rb
@@ -4,7 +4,7 @@
 
 class ConfigurableTest < Test::Unit::TestCase
   include Configurable::ConfigClasses
-  include Configurable::ConfigTypes
+  include Configurable::ConfigClasses
   ConfigHash = Configurable::ConfigHash
   
   #
@@ -110,7 +110,6 @@ class ConfigTypeClass
   
   def test_config_type_registers_a_config_type
     config_type = ConfigTypeClass.config_types[:upcase]
-    assert_equal 'XYZ', config_type.new.cast('xyz')
     assert_equal 'XYZ', ConfigTypeClass.configs[:key].cast('xyz')
   end
   
@@ -177,7 +176,7 @@ def test_config_types_do_not_float_up
   module ConfigTypeSpecificity
     include Configurable
     
-    # increase specificity for Bignum, over IntegerType
+    # increase specificity for Bignum, over IntegerConfig
     config_type(:bignum, Bignum)
     
     config :one, 10**10
@@ -185,32 +184,32 @@ module ConfigTypeSpecificity
   end
   
   def test_config_types_can_increase_specificity
-    assert_equal IntegerType, ConfigTypeSpecificity.configs[:one].type.class
-    assert_equal ConfigTypeSpecificity::BignumType,      ConfigTypeSpecificity.configs[:two].type.class
+    assert_equal IntegerConfig, ConfigTypeSpecificity.configs[:one].class
+    assert_equal ConfigTypeSpecificity::BignumType,      ConfigTypeSpecificity.configs[:two].class
   end
   
   module ConfigTypeOverrideByMatch
     include Configurable
     
-    # match integers, instead of IntegerType
+    # match integers, instead of IntegerConfig
     config_type(:num, Integer)
     config :one, 1
   end
   
   def test_config_types_can_be_overridden_by_match
-    assert_equal ConfigTypeOverrideByMatch::NumType, ConfigTypeOverrideByMatch.configs[:one].type.class
+    assert_equal ConfigTypeOverrideByMatch::NumType, ConfigTypeOverrideByMatch.configs[:one].class
   end
   
   module ConfigTypeOverrideByName
     include Configurable
     
-    # match int type, instead of IntegerType
+    # match int type, instead of IntegerConfig
     config_type(:int)
     config :one, 1, :type => :int
   end
   
   def test_config_types_can_be_overridden_by_name
-    assert_equal ConfigTypeOverrideByName::IntType, ConfigTypeOverrideByName.configs[:one].type.class
+    assert_equal ConfigTypeOverrideByName::IntType, ConfigTypeOverrideByName.configs[:one].class
   end
   
   #
@@ -468,7 +467,7 @@ class ListClass
   
   def test_config_generates_a_list_config_for_array_default
     config = ListClass.configs[:key]
-    assert_equal List, config.class
+    assert_equal true, config.kind_of?(List)
   end
   
   class ListOfIntegersClass
@@ -500,9 +499,6 @@ def test_config_generates_a_nest_config_for_configurable_default
     config = NestClass.configs[:outer]
     assert_equal Nest, config.class
     assert_equal NestClass::Outer, config.configurable.class
-    
-    assert_equal NestType, config.type.class
-    assert_equal NestClass::Outer, config.type.configurable.class
     assert_equal({:inner => 1}, config.cast({'inner' => '1'}))
   end
   
@@ -515,9 +511,6 @@ def test_config_generates_a_nest_config_and_configurable_class_for_hash_default
     config = HashNestClass.configs[:outer]
     assert_equal Nest, config.class
     assert_equal HashNestClass::Outer, config.configurable.class
-    
-    assert_equal NestType, config.type.class
-    assert_equal HashNestClass::Outer, config.type.configurable.class
     assert_equal({:inner => 1}, config.cast({'inner' => '1'}))
   end
   
@@ -532,9 +525,6 @@ def test_config_generates_a_nest_config_and_configurable_class_for_block
     config = BlockNestClass.configs[:outer]
     assert_equal Nest, config.class
     assert_equal BlockNestClass::Outer, config.configurable.class
-    
-    assert_equal NestType, config.type.class
-    assert_equal BlockNestClass::Outer, config.type.configurable.class
     assert_equal({:inner => 1}, config.cast({'inner' => '1'}))
   end