WinFX Runtime Components: http://www.microsoft.com/downloads/details.aspx?FamilyId=E5376297-DA10-4FC3-967D-38C96F767FC4&displaylang=en
WinFX SDK: http://www.microsoft.com/downloads/details.aspx?FamilyId=0A118D5F-21E7-4A3E-82D9-F30C6CE3F63D&displaylang=en
VS2005 Extensions for WinFX Runtime Components: http://www.microsoft.com/downloads/details.aspx?FamilyId=2202A637-2B68-40C0-B3AE-9235D60F42C4&displaylang=en
VS2005 Extensions for Windows WorkFlow: http://www.microsoft.com/downloads/details.aspx?FamilyId=589E23DD-503E-4179-9858-D080C669F8B9&displaylang=en
WinFX RC Nov CTP "Readme": http://msdn.microsoft.com/windowsvista/support/relnotes/winfxnovctp/default.aspx