SP2 Beta for Vista & Server 2008
So one of the good parts of the shared code base between Vista & Server 2008 is the move to a single service pack for both client & server (hmmm ... used to do that a while back in the NT days). Early betas are now available to certain customers.
Technet take on it ->
Windows Server 2008 Service Pack 2 (SP2) and Windows Vista Service Pack 2 (SP2) Customer Preview Program (CPP)
December 2, 2008
Windows Server 2008 Service Pack 2 and Windows Vista Service Pack 2 Beta is an update to Windows Vista and Windows Server 2008. It provides customer and partner feedback driven fixes into a single service pack, minimizing deployment and testing complexity. In addition to all previously released updates, SP2 will contain changes focused on addressing reliability and performance issues, supporting new types of hardware, and adding support for several emerging standards.
More here
