AMD Athlon 64 X2 Dual Core 3800+ (Socket 939) - OEM (CP-152-AM)
£193.82
OCZ 2GB (2 x 1GB) PC3200 Dual Channel Platinum Series EL-DDR CAS2 (OCZ4002048ELDCPE-K) (MY-057-OC)
£158.57
Asus A8R-MVP Crossfire (Socket 939) PCI-Express Motherboard (MB-129-AS)
£82.19
Connect3D ATI Radeon X1800 XT 256MB GDDR3 AVIVO TV-Out/Dual DVI (PCI-Express) - Retail (GX-044-CO)
£234.94
Western Digital Caviar SE16 250GB 2500KS SATA-II 16MB Cache - OEM (HD-046-WD)
£71.62
NEC ND4551 16x16 DVD±RW Dual Layer LabelFlash ReWriter (Black) - OEM (CD-026-NE)
£32.84
Tagan TG530-U15 530W ATX2.01 Easycon SLi Compliant Modular Silent PSU (CA-008-TG)
£70.44
Antec SLK3000B Midi Tower Case - No PSU (CA-027-AN)
£35.19
Arctic Cooling Freezer 64 Pro CPU Cooler (Socket 754/939/940) (FG-000-AR)
£17.04
Total inc VAT: £896.65
Can go lower if you want GeIL Value RAM, but OCZ has tighter timings which AMDs love.