Here is the final decision that I have come down on. Can anyone comment and point out any problems pls. I have taken everyone's advice into consideration, and this is what i gotz:
Intel Core i7 920 D0 Stepping (SLBEJ) 2.66Ghz + Coolit Systems Domino A.L.C Watercooling System Bundle
Gigabyte GA-EX58-UD5 Intel X58 (Socket 1366) PCI-Express DDR3 Motherboard
Asus VH222H 22" Widescreen LCD Monitor
Corsair TX 950W ATX SLI Compliant Power Supply (CMPSU-950TXUK)
Coolermaster HAF 932 Case - Black
OcUK ATI Radeon HD 5770 1024MB GDDR5 PCI-Express Graphics Card + Colin McRae Dirt 2 Full Game + Ruby Doll * 2
Corsair XMS3 6GB (3x2GB) DDR3 PC3-12800C9 (1600MHz) Tri-Channel (TR3X6G1600C9)
Microsoft Windows 7 Professional 64-Bit - OEM (FQC-00765) £107.99
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache - OEM (ST3500418AS)
LG GH22NS50 22x DVD±RW SATA ReWriter (Black) - Retail
Intel Core i7 920 D0 Stepping (SLBEJ) 2.66Ghz + Coolit Systems Domino A.L.C Watercooling System Bundle
Gigabyte GA-EX58-UD5 Intel X58 (Socket 1366) PCI-Express DDR3 Motherboard
Asus VH222H 22" Widescreen LCD Monitor
Corsair TX 950W ATX SLI Compliant Power Supply (CMPSU-950TXUK)
Coolermaster HAF 932 Case - Black
OcUK ATI Radeon HD 5770 1024MB GDDR5 PCI-Express Graphics Card + Colin McRae Dirt 2 Full Game + Ruby Doll * 2
Corsair XMS3 6GB (3x2GB) DDR3 PC3-12800C9 (1600MHz) Tri-Channel (TR3X6G1600C9)
Microsoft Windows 7 Professional 64-Bit - OEM (FQC-00765) £107.99
Seagate Barracuda 7200.12 500GB SATA-II 16MB Cache - OEM (ST3500418AS)
LG GH22NS50 22x DVD±RW SATA ReWriter (Black) - Retail