Merge pull request #834 from johnmcdowall/master

Updated README with a little more explanation about the Adapters and a link back to the guides to read more about the RESTAdapter.

README.md

@@ -6,9 +6,22 @@ updating those models, then saving the changes back to a persistence layer. It
 provides many of the facilities you'd find in server-side ORMs like ActiveRecord, but is
 designed specifically for the unique environment of JavaScript in the browser.
 
-This is definitely alpha-quality. The basics work, but there are for
+Ember Data provides a central Data Store, which can be configured with a range of 
+provided Adapters, but two core Adapters are provided: the RESTAdapter and BasicAdapter. 
+
+The RESTAdapter is configured for use by default. You can read more about it in 
+the [Guides](http://emberjs.com/guides/models/the-rest-adapter/). It provides a fully
+RESTful mechanism for communicating with your persistence layer, and is the preferred
+and recommened choice for use with Ember Data.
+
+The BasicAdapter is intended to provide a way for developers who want full control 
+over how the persistence layer is communicated with via their own implemented Ajax
+hooks
+
+This is definitely alpha-quality. The basics of RESTAdapter work, but there are for
 sure edge cases that are not yet handled. Please report any bugs or feature
-requests, and pull requests are always welcome.
+requests, and pull requests are always welcome. The BasicAdapter is under heavy 
+development at present. 
 
 #### Is It Good?