Is this good?
PCPartPicker part list:
http://uk.pcpartpicker.com/p/1v8dF
Price breakdown by merchant: http://uk.pcpartpicker.com/p/1v8dF/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/1v8dF/benchmarks/
CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor (£176.99 @ Aria PC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (£22.85 @ CCL Computers)
Motherboard: Asus Z87-A ATX LGA1150 Motherboard (£113.84 @ Scan.co.uk)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory (£54.98 @ Amazon UK)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£46.80 @ Aria PC)
Video Card: Asus GeForce GTX 760 2GB Video Card (£204.95 @ Dabs)
Case: NZXT Source 210 Elite (White) ATX Mid Tower Case (£38.64 @ Scan.co.uk)
Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£49.86 @ Scan.co.uk)
Optical Drive: Lite-On iHOS104-06 Blu-Ray/DVD/CD Drive (£23.60 @ CCL Computers)
Total: £732.51
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-08-23 01:46 BST+0100)