CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($169.99 @ Microcenter)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.99 @ NCIX US)
Motherboard: ASRock Z77 Extreme4 ATX LGA1155 Motherboard ($119.98 @ Outlet PC)
Memory: Patriot Gamer 2 Series 8GB (2 x 4GB) DDR3-1600 Memory ($37.99 @ Newegg)
Storage: Seagate Barracuda 500GB 3.5" 7200RPM Internal Hard Drive ($54.99 @ NCIX US) Or you can get 1 tb Western digital for same price on amazon.
Video Card: Gigabyte GTX 650GDDR5-4GB 2xDVI/HDMI/DP OC WINDFORCE 3X Graphics Card GV-N770OC-4GD GHz Edition 2GB Video Card (about 150 on amazon now)
Case: Corsair 300R ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($53.99 @ NCIX US)
Optical Drive: Lite-On IHAS324-98 DVD/CD Writer ($14.99 @ Newegg)
Total: $793.88