Vista SP2 and Server 08 SP2 RTM'd

SP2 for vista and server 08 have gone RTM.  Additionally the block offering SP1 is being removed (your GPO to block SP1 will no longer work). 

http://windowsteamblog.com/blogs/windowsvista/archive/2009/04/28/windows-vista-sp2-rtm-windows-vista-sp1-blocker-tool-removed.aspx

All the SP2 goodness can be found here:

http://technet.microsoft.com/en-us/windows/dd767387.aspx