Microsoft has released RC Escrow build of Windows Vista and Server 2008 SP2. A few selected testers have been e-mailed by Microsoft about this latest build.
The build number is 6002.16659.090114-1728 and is very close to RTM version.
The build can be downloaded via Windows Update using a small registry script or as a standalone installer or slipstreamed ISO.
The ISO version is available in 5 languages: English, Spanish, German, French, Japanese.
The build doesn’t support upgrade from previous SP2 build, so you’ll need to uninstall any previous build of SP2 before installing this RC build.
RC build can be uninstalled from “Control Panel -> Programs and Features -> View Installed Updates“