Graphics: GT 730 - £60
http://bit.ly/1IKvM6Y

CPU:  AMD Black Edition 3.8 GHz Quad-Core £60
http://bit.ly/1h0k0Pj

OS: Win7 64-BIT - £20
http://bit.ly/1gf5Dqn

Cooling: Corsair Hydro series h55 - £75
http://amzn.to/1OTB9p8

MOBO - GA-990FXA-UD3 - £109
http://bit.ly/1T7ZYia

PSU: 700w - £20
http://bit.ly/1OTDWyC

RAM: Kingston 2x4GB - £32
http://bit.ly/1DtBgau

Total: £376

Additional: £100

Ebuyer Headset+Mouse+Keyboard+Mat - £30
http://bit.ly/1KDERCG

Monitor - ~£70
http://bit.ly/1EbBZI4

Case: ??? - >£120