I'd probably go for something like this. Sorry I don't have time to sort out the horrible formatting the new website gives here.
GeIL 2GB (2x1GB) PC6400 800MHz Ultra Low Latency DDR2 Dual Channel Kit (GX22GB6400UDC) (MY-058-GL) £173.99
(£204.44) £173.99
(£204.44)
Arctic Cooling Freezer 7 Pro CPU Cooler (Socket 775) (HS-017-AR) £17.99
(£21.14) £17.99
(£21.14)
Intel Core 2 DUO E6300 "LGA775 Allendale" 1.86GHz (1066FSB) - OEM (CP-135-IN) £107.99
(£126.89) £107.99
(£126.89)
Gigabyte GA_965P_DS4 (Socket 775) PCI-Express DDR2 Motherboard (MB-062-GI) £104.99
(£123.36) £104.99
(£123.36)
Connect3D ATI Radeon X1900 XT 512MB GDDR3 AVIVO TV-Out/Dual DVI (PCI-Express) - Retail (3056) (GX-047-CO) £209.99
(£246.74) £209.99
(£246.74)
Sub Total : £614.95
Shipping cost assumes delivery to UK Mainland with:
City Link Parcel Next Day (Delivered Mon-Fri)
(This can be changed during checkout) Shipping : £8.95
Vat : £109.18
Total : £733.08