The TweakVista website has released it"s tweak for Beta 1, allowing testers to use unsupported cards.
TweakVista is the worlds first tweaking utility written specifically for the upcoming Microsoft Windows Vista operating system
The first version of Window Vista works well with the latest Vista builds as well as with some of the older Longhorn builds. For legal reasons, only a few tweaks can be released at this time. Once news of more features of Windows Vista are released to the public, we will be able to include more tweaks.
NOTE: This build was designed for the WinHec build of Longhorn. The Windows Vista beta 1 build should be out shortly.