I think this is probably suitable then, the motherboard does allow for 4gb, has onboard graphics, gb lan.
GeIL 2GB (2x1GB) PC5300C4 667MHz Value DDR2 Dual Channel Kit (GX22GB5300DC) £46.99
(£55.21) £46.99
(£55.21)
LiteON DH-20A1P-45C 20x DVD±RW x12 Ram Dual Layer DVD-Writer (Black) - OEM £14.99
(£17.61) £14.99
(£17.61)
Western Digital Caviar SE16 320GB 3200AAKS SATA-II 16MB Cache - OEM £47.99
(£56.39) £47.99
(£56.39)
Asrock Conroe945G-DVI (Socket 775) PCI-Express DDR2 Motherboard £41.99
(£49.34) £41.99
(£49.34)
Antec NSK2400 Desktop Case - 380W SmartPower PSU £51.99
(£61.09) £51.99
(£61.09)
Intel Core 2 Duo E4300 "LGA775 Allendale" 1.80GHz (800FSB) - Retail £65.99
(£77.54) £65.99
(£77.54)
Sub Total : £269.94
Shipping cost assumes delivery to UK Mainland with:
City Link Parcel Next Day (Delivered Mon-Fri)
(This can be changed during checkout) Shipping : £9.95
Vat : £48.98
Total : £328.87