PCPartPicker part list:
http://pcpartpicker.com/uk/p/sn0L
Price breakdown by merchant: http://pcpartpicker.com/uk/p/sn0L/by_merchant/
Benchmarks: http://pcpartpicker.com/uk/p/sn0L/benchmarks/
CPU: AMD FX-6300 3.5GHz 6-Core Processor (£99.54 @ Aria PC)
Motherboard: ASRock 970 EXTREME4 ATX AM3+ Motherboard (£70.76 @ Scan.co.uk)
Memory: Patriot Viper 3 8GB (2 x 4GB) DDR3-1600 Memory (£35.45 @ Dabs)
Storage: Toshiba 1TB 3.5" 7200RPM Internal Hard Drive (£51.90 @ Scan.co.uk)
Video Card: XFX Radeon HD 7850 1GB Video Card (£125.98 @ Dabs)
Case: NZXT Phantom 410 (Black) ATX Mid Tower Case (£77.29 @ Scan.co.uk)
Power Supply: Corsair Builder 600W 80 PLUS Certified ATX12V Power Supply (£52.77 @ Ebuyer)
Total: £513.69
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2012-12-15 15:59 GMT+0000)