PCPartPicker part list:
http://uk.pcpartpicker.com/p/131dF
Price breakdown by merchant:
http://uk.pcpartpicker.com/p/131dF/by_merchant/
Benchmarks:
http://uk.pcpartpicker.com/p/131dF/benchmarks/
CPU: Intel Core i7-4770K 3.5GHz Quad-Core Processor (£259.99 @ Aria PC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (£24.49 @ CCL Computers)
Motherboard: MSI Z87-G45 Gaming ATX LGA1150 Motherboard (£118.99 @ Aria PC)
Memory: Corsair Vengeance LP 16GB (4 x 4GB) DDR3-1866 Memory (£88.99 @ Amazon UK)
Storage: Samsung 840 Series 250GB 2.5" Solid State Disk (£128.39 @ Aria PC)
Video Card: EVGA GeForce GTX 780 3GB Video Card (£540.96 @ Dabs)
Case: Fractal Design Define R4 (Black Pearl) ATX Mid Tower Case (£75.59 @ Aria PC)
Power Supply: SeaSonic G 550W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply (£88.08 @ Amazon UK)
Operating System: Microsoft Windows 8 (OEM) (64-bit) (£69.00 @ Aria PC)
Monitor: Asus VG248QE 144Hz 24.0" Monitor (£274.97 @ Amazon UK)
Mouse: SteelSeries Sensei RAW Wired Laser Mouse (£35.50 @ Ebuyer)
Other: Logitech K200 Media Keyboard (£9.15)
Total: £1714.10
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-06-05 00:24 BST+0100)