Today we have released an update preview release for Windows Vista on the Microsoft Download Center. Today's update release preview is targeted toward improving reliability and performance in Windows Vista. The Windows Serviceability Team is releasing this preview to get customer feedback before our planned Windows Update release (expected to be in January). Today's update preview release is geared toward improving reliability and performance in Windows Vista and we highly encourage you to install it.
You can find more information about today's update preview release in this KB article. You can download the Windows Vista update preview release from here: Microsoft Download Center. See the Windows Vista News blog for more information on this preview release.
Cheers and happy previewing!