Like explicit's but IMO with a few upgrades:
CP-127-AM AMD Athlon 64 X2 Dual Core 4400+ (Socket 939) - Retail (ADA4400CDBOX) (CP-127-AM)
£279.95 £279.95
MB-014-DF DFI LanParty UT NF4 Ultra-D (Socket 939) PCI-Express Motherboard (MB-014-DF)
£79.95 £79.95
MY-057-OC OCZ 2GB (2 x 1GB) PC3200 Dual Channel Platinum Series EL-DDR CAS2 (OCZ4002048ELDCPE-K) (MY-057-OC)
£139.95 £139.95
GX-047-HT HIS Excalibur ATI Radeon X1900 XT-X 512MB GDDR3 AVIVO TV-Out/Dual DVI (PCI-Express) - Retail (GX-047-HT)
£309.95 £309.95
HD-002-HI Hitachi Deskstar T7K250 NCQ 250GB SATA-II 8MB Cache - OEM (0A31636) (HD-002-HI)
£56.50 £56.50
CD-026-NE NEC ND4551 16x16 DVD±RW Dual Layer LabelFlash ReWriter (Black) - OEM (CD-026-NE)
£25.95 £25.95
CA-012-TT Thermaltake VA3000BNA Tsunami Dream SuperMidi Aluminium Tower - Black (CA-012-TT)
£59.95 £59.95
CA-008-TG Tagan TG530-U15 530W ATX2.01 Easycon SLi Compliant Modular Silent PSU (CA-008-TG)
£59.95 £59.95
MO-009-NE NEC MultiSync® LCD20WGX2 20.1" Widescreen LCD Monitor - Black/Silver (MO-009-NE)
£334.95 £334.95
SP-000-AE Acoustic Energy Aego M 2.1 Speakers (Black) - Retail (SP-000-AE)
£69.95 £69.95
KB-066-LG Logitech Media Keyboard Elite - Retail (KB-066-LG)
£16.95 £16.95
KB-069-LG Logitech G5 Gaming-Grade Laser Mouse (KB-069-LG)
£29.95 £29.95
Subtotal £1,463.95
VAT £256.20
Total £1,720.15
Better gfx card, IMO you don't need a seperate sound card unless you're into mixing etc. Plus IME the 2.1 speakers sound much better than the 5.1's and Acoustic Energy actually make speakers in the real world, unlike creative, logitech etc.