Bit under budget here and I can't quite fit the 8800GTX into the budget but I have included an OS so if you don't need that then just chuck in the 8800GTX instead. Everything should allow a good overclock and it would still be very quick at stock speeds.
OCZ 4GB (2 x 2GB) PC2-5400C5 Dual Channel Vista Upgrade Gold Series DDR2 (OCZ2VU6674GK) £111.99
(£131.59) £111.99
(£131.59)
BFG GeForce 8800 GTS OC 640MB GDDR3 HDTV/Dual DVI (PCI-Express) - Retail £219.99
(£258.49) £219.99
(£258.49)
Western Digital Caviar SE16 320GB 3200AAKS SATA-II 16MB Cache - OEM £48.99
(£57.56) £48.99
(£57.56)
Corsair HX 520W ATX2.2 Modular SLI Compliant PSU (CMPSU-520HXUK) £59.99
(£70.49) £59.99
(£70.49)
Lian-Li PC-7 PLUS Aluminium Midi-Tower Case - Black £49.99
(£58.74) £49.99
(£58.74)
Noctua NH-U12F (Socket LGA775/754/939/940/AM2) Heatsink £27.99
(£32.89) £27.99
(£32.89)
Samsung SH-183LBEBN 18x18 DVD±RW Dual Layer Serial ATA Lightscribe ReWriter (Black) - OEM £16.99
(£19.96) £16.99
(£19.96)
Intel Core 2 Duo E6600 "LGA775 Conroe" 2.40GHz (1066FSB) - Retail £119.99
(£140.99) £119.99
(£140.99)
Microsoft Windows Vista Home Premium 64-Bit Edition DVD - OEM - 1Pk (66I-00788) £63.99
(£75.19) £63.99
(£75.19)
LG L226WTQ 22" Widescreen LCD Monitor - Black/Silver £163.99
(£192.69) £163.99
(£192.69)
Gigabyte GA_965P_DS3P (Socket 775) PCI-Express DDR2 Motherboard £69.99
(£82.24) £69.99
(£82.24)
Sub Total : £953.89
Shipping cost assumes delivery to UK Mainland with:
City Link Parcel Next Day (Delivered Mon-Fri)
(This can be changed during checkout) Shipping : £14.95
VAT is being charged at 17.5% VAT : £169.55
Total : £1,138.39