install Windows 7 for x86 and then apply almost all the drivers from the Vista Drivers' CD, except the Video Drivers, which must be taken from the intel page --> gm965 graphic drivers for Windows 7-RC.
tips can make Vista drivers work on Windows 7:
1. Right click on the setup.exe file
2. Go to properties and choose compatibility
3. Check on run as vista
4. Check on run as admin
5. Click apply and OK to exit
6. Right click on setup file again and make sure to run as Admin
no such checkbox to run as vista or admin. Only windows 95,98, NT, etc...