Aug 28th a fix became available for Vista from the Windows team. The bits will be made generally available from the link here and relatively detailed KB is attached. The issue is that Vista was creating an extra copy of graphics memory ( noted by AnandTech here ) and that was causing a pre...

A microcode update from Intel that affects multi-core processors, here . This seems like a good update to take, even if I don't have much more data than you do.