Can someone give me some good PC Gaming Builds ?

here:

PCPartPicker part list: http://pcpartpicker.com/p/xgPk
Price breakdown by merchant: http://pcpartpicker.com/p/xgPk/by_merchant/
Benchmarks: http://pcpartpicker.com/p/xgPk/benchmarks/

CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor ($229.99 @ Microcenter)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($24.99 @ Newegg)
Motherboard: ASRock Z75 Pro3 ATX LGA1155 Motherboard ($84.55 @ Newegg)
Memory: Patriot Viper 3 8GB (2 x 4GB) DDR3-1600 Memory ($36.99 @ Newegg)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($69.99 @ NCIX US)
Video Card: PowerColor Radeon HD 7950 3GB Video Card ($274.99 @ Newegg)
Case: Zalman Z11 ATX Mid Tower Case ($40.20 @ NCIX US)
Power Supply: XFX 650W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($59.99 @ NCIX US)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($19.99 @ Newegg)
Total: $841.68
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-01-12 18:33 EST-0500)

i chose the 7950 because with its 3gigs and 384 bit bus long term its a better videocard than the 660ti