Motherboard: ASUS P5N-E SLI Nforce 650I SLI LGA775 Conroe ATX 2PCI-E16 - $147.20
http://www.ncix.com/products/index.php?sku=22082

CPU: Intel Core 2 Quad Q6600 Quad Core Processor LGA775 Kentsfield 2.40GHZ 1066FSB 8MB - $312.70
http://www.ncix.com/products/index.php?sku=22211

CPU Fan: Arctic Cooling Freezer 7 Pro LGA775 2500RPM 45CFM - $29.67
http://www.ncix.com/products/index.php?sku=17225

RAM: Corsair XMS2 TWIN2X2048-6400C4 2GB 2X1GB PC2-6400 DDR2-800 CL 4-4-4-12 240PIN Dual Channel Memory - $184.99
http://www.ncix.com/products/index.php?sku=18580

Video1: EVGA E-GEFORCE 8600GTS 675MHZ 256MB 2.0GHZ GDDR3 PCI-E Dual DVI-I HDTV Out DIRECTX10 Video Card - $216.93
http://www.ncix.com/products/index.php?sku=23716

Video2: EVGA E-GEFORCE 8600GTS 675MHZ 256MB 2.0GHZ GDDR3 PCI-E Dual DVI-I HDTV Out DIRECTX10 Video Card - $216.93
http://www.ncix.com/products/index.php?sku=23716

DVD: Pioneer DVR-212D Black DVD-RW 18X6X18 DVD+RW 18X8X18 DL 10X SATA 2MB OEM DVD Burner No Software - $39.87
http://www.ncix.com/products/index.php?sku=23283

HD: Seagate Barracuda 7200.9 160GB ATA100 7200RPM 8MB 8.5MS Hard Drive OEM RoHS 5YEAR MFR Warranty - $75.57
http://www.ncix.com/products/index.php?sku=16407

Physics Card: BFG PhysX Card Ageia Physics Processor Card PCI 128MB 128-BIT GDDR3 - $150.39
http://www.ncix.com/products/index.php?sku=18319

Case: Xion XION2-SL Silver ATX Mid Tower Case 4X5.25 2X3.5 5X3.5INT 2X120MM Fans 450W W/ LED Fans & Window - $92.23
http://www.ncix.com/products/index.php?sku=15438

Total Cost: $1426.61

This dual SLI system would be amazing for gaming and just looking at with all the LED lights in the case. *drool*