decent start, i saved you some cash, fixed a few things and made a few small improvements
PCPartPicker part list:
http://pcpartpicker.com/p/lnWX
Price breakdown by merchant: http://pcpartpicker.com/p/lnWX/by_merchant/
Benchmarks: http://pcpartpicker.com/p/lnWX/benchmarks/
CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($189.99 @ Microcenter)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($24.99 @ NCIX US)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($134.99 @ Amazon)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($34.99 @ Newegg)
Storage: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($54.99 @ NCIX US)
Storage: OCZ Vertex 4 128GB 2.5" Solid State Disk ($99.99 @ Newegg)
Video Card: EVGA GeForce GTX 670 2GB Video Card ($349.99 @ NCIX US)
Case: Corsair 400R ATX Mid Tower Case ($79.99 @ NCIX US)
Power Supply: Antec EarthWatts Green 650W 80 PLUS Bronze Certified ATX12V Power Supply ($48.98 @ Newegg)
Optical Drive: LG GH24NS90 DVD/CD Writer ($15.99 @ Newegg)
Total: $1034.89
(Prices include shipping, taxes, and discounts when available.)
I would look into getting a 7950/7970 as they both offer superior bang for your buck. Also if you like to overclock at all feel free to spend more on a cooler, like the coolermaster v8 or tpc 812 or the noctua d14 or even an h80/h100