PCPartPicker part list:
http://uk.pcpartpicker.com/p/2YoDN
Price breakdown by merchant: http://uk.pcpartpicker.com/p/2YoDN/by_merchant/
Benchmarks: http://uk.pcpartpicker.com/p/2YoDN/benchmarks/
CPU: Intel Core i7-4930K 3.4GHz 6-Core Processor (£418.70 @ Ebuyer)
CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler (£86.50 @ Ebuyer)
Motherboard: Asus Sabertooth X79 ATX LGA2011 Motherboard (£230.99 @ Dabs)
Memory: Corsair Vengeance 16GB (2 x 8GB) DDR3-2133 Memory (£138.25 @ Dabs)
Storage: Samsung 840 Pro Series 256GB 2.5" Solid State Disk (£156.00 @ Amazon UK)
Storage: Hitachi Ultrastar 2TB 3.5" 7200RPM Internal Hard Drive
Video Card: EVGA GeForce GTX 780 Ti 3GB Video Card (2-Way SLI) (£545.50 @ Scan.co.uk)
Video Card: EVGA GeForce GTX 780 Ti 3GB Video Card (2-Way SLI) (£545.50 @ Scan.co.uk)
Case: Cooler Master HAF 932 Advanced ATX Full Tower Case
Power Supply: Corsair RM 1000W 80+ Gold Certified Fully-Modular ATX Power Supply (£134.56 @ Dabs)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) (£80.71 @ Amazon UK)
Total: £2336.71
Well under budget and honestly just a ridiculous build. You can use the extra cash to look into things like capture cards and other supporting peripherals.