CP-128-IN Intel Core 2 DUO E6600 "LGA775 Conroe" 2.40GHz (1066FSB) - Retail (CP-128-IN) 1
£214.95 £214.95
MB-010-IN Intel Extreme D975bx-304 975X (Socket 775) PCI-Express DDR2 Motherboard - OEM (MB-010-IN) 1
£129.95 £129.95
MY-011-GS G.Skill 2GB DDR2 ZX PC2-6400 (2x1GB) CAS4 Dual Channel Kit (F2-6400PHU2-2GBZX) (MY-011-GS) 1
£149.95 £149.95
GX-044-CO Connect3D ATI Radeon X1800 XT 256MB GDDR3 AVIVO TV-Out/Dual DVI (PCI-Express) - Retail (GX-044-CO) 1
£136.95 £136.95
HD-079-SE Seagate Barracuda 7200.10 250GB ST3250620AS SATA-II 16MB Cache - OEM (HD-079-SE) 1
£52.50 £52.50
CD-038-PO Pioneer DVR-111DBK 16x16 DVD±RW Dual Layer ReWriter - (Black) OEM (CD-038-PO) 1
£21.95 £21.95
CA-054-LL Lian-Li PC-7 PLUS Black Aluminium Midi-Tower Case (No PSU) (CA-054-LL) 1
£48.95 £48.95
CA-001-SS Seasonic S12 500W Silent ATX2.0 Power Supply (CA-001-SS) 1
£64.95 £64.95
Subtotal £820.15
VAT £143.53
Total £963.68
This will suit your needs, you might want to look at the 512MB version of the X1800XT though.