http://msdn.microsoft.com/windowsvista/downloads/products/default.aspx
Visual Studio 2005 extensions for .NET Framework 3.0 (Windows Workflow Foundation)
http://www.microsoft.com/downloads/details.aspx?FamilyId=5D61409E-1FA3-48CF-8023-E8F38E709BA6&displaylang=en
Visual Studio 2005 extensions for .NET Framework 3.0 (WCF & WPF), November 2006 CTP
http://www.microsoft.com/downloads/details.aspx?familyid=F54F5537-CC86-4BF5-AE44-F5A1E805680D&displaylang=en
Windows SDK .NET Framework 3.0 Samples
http://www.microsoft.com/downloads/details.aspx?FamilyID=22B58B6C-8F98-40D0-880D-C3339C5DA01E&displaylang=en&mg_id=10049