Here are the recommendations

OS: Windows® XP, Windows Vista™ operating system
CPU Single-core: 2. 0 GHz or faster (2. 2 GHz for Windows Vista™)
CPU Dual-core: Any Intel® or AMD®
RAM: 1 GB (1.5 GB for Windows Vista™)
Hard Drive: 2.0 GB available hard drive space
Video: 128 MB video RAM, DirectX® 9.0c compatible (GeForce® 4 MX, Radeon® 8500, 9200 not supported)
Sound: DirectX® 9.0c compatible
Input: Keyboard and mouse
Internet connection: Cable/DSL

I took the screenies with
Vista 32 bit Home Premium
Core2 Xtreme QX6700
EVGA 680i SLI Deluxe
2GB Corsair PC2 8500
(2) WD 80GB HD @ Raid0
(2) XFX 8800 GTX
PC Pwr. & Clg. 1000w P/S

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