All I need to know is if it is a good gaming PC
PCPartPicker part list: http://pcpartpicker.com/p/cb6F
Price breakdown by merchant: http://pcpartpicker.com/p/cb6F/by_merchant/
Benchmarks: http://pcpartpicker.com/p/cb6F/benchmarks/

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor ($214.99 @ Newegg)
CPU Cooler: Arctic Cooling ACFZ13 36.4 CFM CPU Cooler ($39.99 @ Newegg)
Motherboard: Gigabyte GA-Z77-D3H ATX LGA1155 Motherboard ($115.98 @ NCIX US)
Memory: Patriot G2 Series 16GB (4 x 4GB) DDR3-1600 Memory ($88.98 @ Amazon)
Hard Drive: Seagate Barracuda Green 2TB 3.5" 5900RPM Internal Hard Drive ($99.99 @ NCIX US)
Video Card: EVGA GeForce GTX 560 Ti 2GB Video Card ($249.99 @ Newegg)
Case: Raidmax Reiter ATX Mid Tower Case ($50.98 @ Newegg)
Power Supply: Thermaltake 850W ATX12V / EPS12V Power Supply ($125.99 @ SuperBiiz)
Optical Drive: LG GH22NS90B DVD/CD Writer ($19.98 @ Outlet PC)
Monitor: Acer V193WEJb 19.0" Monitor ($91.99 @ SuperBiiz)
Operating System: Microsoft Windows 7 Home Premium SP1 (64-bit) ($98.98 @ Outlet PC)
Keyboard: Gigabyte Force K3 Wired Gaming Keyboard ($31.98 @ Newegg)
Mouse: Gigabyte GM-M6900 Wired Optical Mouse ($27.98 @ Newegg)
Total: $1257.80
(Prices include shipping and discounts when available.)

ya it will run any game and then some, although you may want to look at a better case! Something like this http://www.newegg.com/Product/Product.aspx?Item=N82E16811119225 ya its a little more expensive the case is really important for cooling reasons