Budget is somewhat of a concern. I don't want to spend much more than my IRS stimulus payment.

This prices out right around $1200-1300.
Any feedback is highly appreciated.
ANTEC, Nine Hundred Black Mid-Tower Case, ATX
ANTEC, NeoPower 650 Blue High Efficiency Power Supply, 650W, 24-pin ATX12V EPS12V, SLI Ready
ASUS, P5N-D, LGA775, nForce 750i SLI, 1333MHz FSB, DDR2-800 8GB /4, PCIe x16 SLI /2, SATA RAID 5 /4, HDA, GbLAN, FW /2, ATX
INTEL, Core™ 2 Duo E8400 Dual-Core, 3.0GHz
CORSAIR, 4GB (4 x 1GB) XMS2 Xtreme PC2-6400 DDR2 800MHz CL4 (4-4-4-12)
eVGA, e-GeForce 8800GT Superclocked 650MHz, 512MB GDDR3 1900MHz, PCIe x16 SLI
WESTERN DIGITAL, 320GB WD Caviar® SE16 (WD3200AAKS), SATA 300MB/s, 7200 RPM, 16MB cache
SAMSUNG, Super-WriteMaster™ SH-S203B Black 20x DVD±R/RW Dual-Layer Burner, SATA, w/ Software, OEM
MICROSOFT, Windows Vista Home Premium 64-bit Edition w/ SP1, OEM