Budget Gaming Pc £450-480 GBP Without Monitor

Check this build:

PCPartPicker part list: http://uk.pcpartpicker.com/p/1Hd2Y
Price breakdown by merchant: http://uk.pcpartpicker.com/p/1Hd2Y/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/1Hd2Y/benchmarks/

CPU: AMD Athlon II X4 750K 3.4GHz Quad-Core Processor (£57.30 @ Scan.co.uk)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (£23.98 @ Scan.co.uk)
Motherboard: ASRock FM2A85X Extreme4 ATX FM2 Motherboard (£66.52 @ Amazon UK)
Memory: GeIL Enhance CORSA 8GB (2 x 4GB) DDR3-1600 Memory (£40.99 @ Amazon UK)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£46.64 @ CCL Computers)
Video Card: XFX Radeon HD 7870 2GB Video Card (£149.98 @ CCL Computers)
Case: NZXT Source 210 Elite (Black) ATX Mid Tower Case (£38.65 @ Scan.co.uk)
Power Supply: Corsair CX 500W 80 PLUS Bronze Certified ATX12V Power Supply (£49.80 @ Scan.co.uk)
Optical Drive: Samsung SH-224DB/BEBE DVD/CD Writer (£12.98 @ Novatech)
Total: £486.84
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-24 21:35 BST+0100)