Just taking a spec I did for another thread but I think it would suit you as well.
LiteON DH-20A1P-45C 20x DVD±RW x12 Ram Dual Layer DVD-Writer (Black) - OEM £14.99
(£17.61) £14.99
(£17.61)
Antec NSK4400 Mini Tower Case - 380W SmartPower PSU £39.99
(£46.99) £39.99
(£46.99)
OcUK GeForce 7600 GT 256MB GDDR3 TV-Out/DVI (PCI-Express) - Retail £54.99
(£64.61) £54.99
(£64.61)
Gigabyte GA_965P_S3 (Socket 775) PCI-Express DDR2 Motherboard £59.99
(£70.49) £59.99
(£70.49)
Intel Core 2 Duo E4300 "LGA775 Allendale" 1.80GHz (800FSB) - Retail £65.99
(£77.54) £65.99
(£77.54)
Hitachi Deskstar T7K500 NCQ 320GB SATA-II 16MB Cache - OEM £45.99
(£54.04) £45.99
(£54.04)
Crucial 2GB (2x1GB) DDR2 PC2-5300C5 Dual Channel Kit (CT2KIT12864AA667) £49.99
(£58.74) £49.99
(£58.74)
Sub Total : £331.93
Shipping cost assumes delivery to UK Mainland with:
City Link Parcel Next Day (Delivered Mon-Fri)
(This can be changed during checkout) Shipping : £10.95
Vat : £60.00
Total : £402.88