A forum member of Overclockers.at tried the first beta of Windows Vista on the following hardware configuration:

.) Asus P4C800-e Deluxe
.) P4 3.2GHZ
.) 1GB PC3200 CL3 Infineon bzw. Samsung
.) X800XT
.) Samsung Spinpoint P80 160GB sATA

Windows Vista Beta 1 Tested (German)
Windows Vista Beta 1 Tested (with translator)