CPU: Intel Core 2 Duo E6700 = £411.15 (Far better than the FX62)
O/S: Windows XP Home = £53
Case/PSU: £44 + £40 = £84
Motherboard: Gigabyte GA-965P-S3 = £110
RAM: 2Gb (2X1Gb) Corsair TwinX XMS2 = £169
HDDs: 2 * 300GB SATA = £122.68
DVD: Sony dual-layer = £20.77
Graphics: Sapphire Technology Radeon X1950XTX = £328.94
Monitor: 19" widescreen Hanns TFT - 8ms = £129.99

Total: 1429.53

£570.47 to spend on your sound card and speakers.