I don't have this, but for Price/performance here's what I'd go
All prices from the Egg.
Pentium D 805 LGA 775 2.66gHz OEM - O/C at least to 3 or 3.3 @ 59.99
OR
Intel Core 2 Duo E4400 Allendale 2.0GHz LGA775 Processor @ 139.99
Arctic Silver 5 Compound @ 5.99
Cooler Master RR-LCH-P9E1 CPU Cooler @ 34.99
ASUS P5L-MX LGA 775 Intel 945G Micro ATX Motherboard @ 76.99
EVGA 256-P2-N624-AR Geforce 7900GS 256MB 256-Bit GDDR3 PCI-E16 KO Video Card @ 149.99
Or
Sapphire 100189L Radeon X1900GT 256 GDDR3 PCI-E16 VIVO Video Card @ 129.99
Coolermaster Centurion 5 Case @ 49.99
Rosewill RP550V2-D-SL 550W SLI Ready-ATX 12V V2.01 Power Supply @ 62.99
Corsair ValueSelect 2GB DDR2-800 RAM @ 84.99
Option 1: Pentium D, Geforce 7950GT Total Price: $525.92
Option 2: Core 2 Duo, Geforce 7950GT Total Price: $605.92
Option 3: Core 2 Duo, Sapphire X1900GT: $585.92
Option 4: Pentium D, Sapphire X1900GT: $505.92
I think that that's a decent build... Upgradeable to 4GB of RAM, to a E6600 or whatever, etc, replace Mobo and GFX for SLI, or an 8800, whatever.