nothing 3d works windows vista beta 2

The problem is that things that are Shader related (presumably Aero) work fine. So everything in the OS looks gorgeous, and runs like it should. However, in attempting to run anything 3D, such as a video game, I instantly encounter problems where the game is unable to draw anything 3D to the screen, and crashes the game on the spot. The most noteable of the games here would be World of Warcraft, which I have heard runs great under Vista, so the problem must be with drivers or settings.
I am running this on my laptop, which is an Acer Aspire 5670. 2 gigs RAM, dual core processors, ATI Mobility Radeon X1400 (with the new Vista drivers from ATI.com).
As I am using WoW as my example, here is the error I am getting:
World of Warcraft was unable to start 3D acceleration. please make sure DirectX 9.0c is installed and your video drivers are up-to-date.
Another clear and related issue is if I go to the ATI Catylyst Control Center, the 3D preview just shows a static image, and says "The 3D Preview is Disabled". I have not found a way to turn that back on.
Any thoughts? Anyone else encountered this yet? To be honest, this is only one of 2 problems I have had with Vista, and have found it a VERY good experience (the other is that not all keystrokes make it to the screen, so I often need to backspace and retype keys that didn't make it through the key buffer).

You can get WOW to work if you change your desktop resolution to match the in game resolution. Example I use 1024x768 in game and have to change the desktop to that before I run the program.