Yesterday we released VS 2005 SP1 refresh (this is what we have, in the past, called the Vista GDR). Primarily it is a set of bug fixes to make VS 2005 work really well on Vista. You can read more about it here:
http://www.microsoft.com/presspass/features/2007/mar07/03-06VisualStudio.mspx
And you can download it here:
http://...