What about this £479
i5-3570k Intel CPU (3.4GHz) IVY BRIDGE CPU! Up to 3.8GHz turbo boost.
8GB DDR3 RAM (16gb Max) - 1600MHz
500gb Sata III Hard Drive, 7200RPM
DVDRW +/- DL, high quality DVD re-writeable drive, dual layer support
High Performance Asus Motherboard P8H61 MX USB3 featuring both USB 2.0 and USB 3.0
NVidia GTX650Ti Performance Video Card, 1.0g GDDR5 RAM
Wireless 802.11 b/g/n
Vantage Black Gaming Style ATX Case, blue fans, black colouring,
600W GX COOLERMASTER
Multimedia USB Keyboard & mouse
High quality surround sound audio supported 8 Channel 5.1