Here is another build you might be interested in, better GPU, better PSU, Better MoBo, CPU cooler for overclocking, another 1tb hard space with the hard drive, an i5 instead of the i7 but you can add that in for the same price.
PCPartPicker part list: http://pcpartpicker.com/p/JaTn
Price breakdown by merchant: http://pcpartpicker.com/p/JaTn/by_merchant/
Benchmarks: http://pcpartpicker.com/p/JaTn/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 ($29.99 @ Newegg)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($134.99 @ Amazon)
RAM: G.Skill Ripjaws X Series 8GB (1 x 8GB) DDR3-1600 Memory ($52.49 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($72.04 @ Outlet PC)
Storage: Sandisk Extreme 120GB 2.5" Solid State Disk ($98.99 @ NCIX US)
Video Card: Gigabyte GeForce GTX 680 2GB Video Card ($453.98 @ Newegg)
Case: Cooler Master CM 690 II Advanced NVIDIA Edition ATX Mid Tower Case
Power Supply: SeaSonic 750W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($139.99 @Newegg)
Optical Drive: Samsung SH-224BB DVD/CD Writer ($17.98 @ Outlet PC)
Operating System: Microsoft Windows 7 Professional SP1 (OEM) (64-bit) ($135.97 @ Outlet PC)
Total: $1313.41
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-03-12 05:38 EDT-0400)