WinFX Runtime Components:
http://www.microsoft.com/downloads/details.aspx?FamilyId=61DD9CA7-1668-42E4-BD37-03716DD83E53&displaylang=en
Go-Live for WCF and WF:
http://msdn.microsoft.com/winfx/getthebeta/golive/default.aspx
Windows SDK:
http://www.microsoft.com/downloads/details.aspx?FamilyId=64750EEF-D4A7-4CC8-92F2-9A201268A231&displaylang=en
Microsoft Visual Studio Code Name “Orcas” Community Technology Preview – Development Tools for WinFX® (aka Fidalgo):
http://www.microsoft.com/downloads/details.aspx?FamilyId=5A0AE4CD-DC79-4B12-8A05-B6195F89FFA2&displaylang=en
VS Extensions for WorkFlow:
http://www.microsoft.com/downloads/details.aspx?FamilyId=A2151993-991D-4F58-A707-5883FF4C1DC2&displaylang=en
WinFX RC January CTP “Readme”:
http://msdn.microsoft.com/windowsvista/support/relnotes/winfxjanctp/default.aspx