Okay so this is my £700 rig 
Asus P5N-D nForce 750i SLi (Socket 775) PCI-Express DDR2 Motherboard £88.11
Intel Core 2 Duo E6550 "LGA775 Conroe" 2.33GHz £105.74
Corsair 2GB DDR2 Value Select PC2-4200C5 Dual Channel Kit (2x1GB) £27.01
Corsair 2GB DDR2 Value Select PC2-4200C5 Dual Channel Kit (2x1GB) £27.01
Maxtor Diamondmax 21 250GB SATA-II 8MB Cache - OEM £30.54
Maxtor Diamondmax 21 250GB SATA-II 8MB Cache - OEM £30.54
BFG GeForce 8800 GTS OC 640MB GDDR3 HDTV/Dual DVI (PCI-Express) £117.49
Coolermaster CM-690 Dominator £52.86
OCZ StealthXStream 600w Silent SLI Ready ATX2 Power Supply £58.74
Compro VideoMate DVB-T220 Digital TV Internal PCI £32.89
Microsoft Wireless Optical Desktop 1000 Black £25.84
Microsoft OEM Windows XP Media Centre 2005 Edition - 1 Pack £77.99
Microsoft Media Centre Remote Controller £19.96
Total £694.72
What you think?

Asus P5N-D nForce 750i SLi (Socket 775) PCI-Express DDR2 Motherboard £88.11
Intel Core 2 Duo E6550 "LGA775 Conroe" 2.33GHz £105.74
Corsair 2GB DDR2 Value Select PC2-4200C5 Dual Channel Kit (2x1GB) £27.01
Corsair 2GB DDR2 Value Select PC2-4200C5 Dual Channel Kit (2x1GB) £27.01
Maxtor Diamondmax 21 250GB SATA-II 8MB Cache - OEM £30.54
Maxtor Diamondmax 21 250GB SATA-II 8MB Cache - OEM £30.54
BFG GeForce 8800 GTS OC 640MB GDDR3 HDTV/Dual DVI (PCI-Express) £117.49
Coolermaster CM-690 Dominator £52.86
OCZ StealthXStream 600w Silent SLI Ready ATX2 Power Supply £58.74
Compro VideoMate DVB-T220 Digital TV Internal PCI £32.89
Microsoft Wireless Optical Desktop 1000 Black £25.84
Microsoft OEM Windows XP Media Centre 2005 Edition - 1 Pack £77.99
Microsoft Media Centre Remote Controller £19.96
Total £694.72
What you think?