This will run the game maxed out at around 55 - 60 fps.
PCPartPicker part list:
http://uk.pcpartpicker.com/p/2k5k2
Price breakdown by merchant: http://uk.pcpartpicker.com/p/2k5k2/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/2k5k2/benchmarks/
CPU: AMD FX-8320 3.5GHz 8-Core Processor (£109.98 @ Amazon UK)
Motherboard: Asus M5A97 R2.0 ATX AM3+ Motherboard (£59.00 @ Amazon UK)
Memory: Corsair Vengeance 8GB (1 x 8GB) DDR3-1600 Memory (£53.14 @ Amazon UK)
Storage: Western Digital Caviar Black 1TB 3.5" 7200RPM Internal Hard Drive (£58.08 @ Amazon UK)
Video Card: Asus GeForce GTX 760 2GB Video Card (£192.00 @ Aria PC)
Case: Antec Three Hundred Two ATX Mid Tower Case (£54.99 @ Amazon UK)
Power Supply: Corsair CX 600W 80+ Bronze Certified Semi-Modular ATX Power Supply (£54.61 @ Amazon UK)
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit) (£67.93 @ CCL Computers)
Other: LiteOn IHAS124-04 24x
Other: Asus PCE-N15 - 300Mbps Wireless N PCI-E adapter
Other: Sealey CT25101 Cable Ties 2.5 x 100mm Pack of 100
Other: Microsoft Sidewinder X4
Other: Gigabyte M6900 Optical Gaming Mouse
Other: Logitech Speakers
Other: Arctic Silver MX-4 Thermal Paste
Other: 1/2 sata cables owned
Total: £649.73
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-12-14 12:07 GMT+0000)