The release candidate version of the Service Pack 2 for Vista and Server 2008 was sent to Microsoft Connect testers, a couple of days ago. The internal version number of this RC is 6002.16670.090130 and, besides the currently 691 included hotfixes, a few highlights of this SP2 are going to be:
An interesting detail is that apparently even the final build requires you to have the first SP installed in order to use the SP2. The main reason for this seems to be the sheer size such a cumulative update consisting out of SP1 and SP2 would have ...