HD- stick to brand like seagate, maxtor, Western Digital, Samsung, and Hitachi (if i missed good oens im sorry)
i would stick to the 7200rpm either 8mb or 16mb cache, my aswell get sata 2 its faster and more reliable
Ram- 2GB DDR-2 533FSB (PC4200
Processor- INTEL CORE 2 DUO E6700 2.66GHZ DUAL CORE 2.66GHZ PER CORE, not to sure what the speed would be but its not
5.32ghz, lol alot fo people just multimply the 2.66 by 2
Video card - 512MB ASUS nVIDIA Ge-Force 7600GS DVI/TV-OUT HDTV PCI EXPRESS VIDEO CARD (its an amazing video card but of course theres already better, and you could go sli if you wanted
Power supply- im not sure how much power yu need but this is a good one 680 WATT Power Supply
sorry i gotta go work on my car sorry ill get back to you