Update install instructions

git-svn-id: svn://svn.pgadmin.org/trunk@8443 a7884b65-44f6-0310-8a51-81a127f17b15

INSTALL

@@ -72,7 +72,7 @@ You will need:
 - wxMac 2.8.x from http://www.wxwidgets.org/
 - libxml2 2.6.18 or above from http://www.xmlsoft.org/
 - libxslt 1.1.x or above from http://www.xmlsoft.org/
-- PostgreSQL 8.1 or above from http://www.postgresql.org/
+- PostgreSQL 8.4 or above from http://www.postgresql.org/
 
 Building:
 
@@ -129,14 +129,14 @@ Windows
 You will need:
 
 - Windows 2000 or above.
-- Microsoft Visual C++ 2005.
-- The Windows 2003 R2 Platform SDK.
+- Microsoft Visual C++ 2008.
+- The Windows 2008 Platform SDK.
 - Windows Installer XML v3.
 - wxMSW 2.8.x from http://www.wxwidgets.org/
 - libxml2 2.6.18 or above from http://www.xmlsoft.org/
 - libxslt 1.1.x or above from http://www.xmlsoft.org/
 - iconv 1.9.x or above from http://gnuwin32.sourceforge.net/
-- PostgreSQL 8.1 or above from http://www.postgresql.org/
+- PostgreSQL 8.4 or above from http://www.postgresql.org/
 
 Precompiled XML/XSLT and dependency packages for Windows can be found at 
 http://zlatkovic.com. You probably need zlib 1.2.x as well as libxml2 and