Hi all, can you have a look at the following spec and see if there is anything that you might change, its his first PC after being a 360 fan boy 
Prices can go a little higher but not over £30, i'd say.
Spec at the moment:
- Intel Core 2 Quad Pro Q6600 "Energy Efficient SLACR 95W Edition" 2.40GHz (1066FSB) - Retail
- Abit IP35 Pro (Socket 775) PCI-Express DDR2 Motherboard
- Corsair 2GB DDR2 XMS2-6400C4 TwinX (2x1GB)
- OcUK GeForce 8800 GTX 768MB GDDR3 HDTV/Dual DVI (PCI-Express) - OEM
- Western Digital Caviar SE16 250GB SATA-II 16MB Cache - OEM (WD2500AAKS)
- No Second Hard Drive Option (ZERO Cost)
- No RAID Option (ZERO Cost)
- Samsung SH-S203D 20x DVD±RW SATA Dual Layer ReWriter (Black) - OEM
- Antec Nine Hundred Ultimate Gaming Case
- Sony Floppy Drive - Black
- Onboard Sound (ZERO COST)
- OCZ StealthXStream 600w Silent SLI Ready ATX2 Power Supply
- Microsoft Windows XP Home Edition inc. SP2 - OEM - 1Pk (N09-01991)
Thanks in advance.
Guy

Prices can go a little higher but not over £30, i'd say.
Spec at the moment:
- Intel Core 2 Quad Pro Q6600 "Energy Efficient SLACR 95W Edition" 2.40GHz (1066FSB) - Retail
- Abit IP35 Pro (Socket 775) PCI-Express DDR2 Motherboard
- Corsair 2GB DDR2 XMS2-6400C4 TwinX (2x1GB)
- OcUK GeForce 8800 GTX 768MB GDDR3 HDTV/Dual DVI (PCI-Express) - OEM
- Western Digital Caviar SE16 250GB SATA-II 16MB Cache - OEM (WD2500AAKS)
- No Second Hard Drive Option (ZERO Cost)
- No RAID Option (ZERO Cost)
- Samsung SH-S203D 20x DVD±RW SATA Dual Layer ReWriter (Black) - OEM
- Antec Nine Hundred Ultimate Gaming Case
- Sony Floppy Drive - Black
- Onboard Sound (ZERO COST)
- OCZ StealthXStream 600w Silent SLI Ready ATX2 Power Supply
- Microsoft Windows XP Home Edition inc. SP2 - OEM - 1Pk (N09-01991)
Thanks in advance.
Guy
If you don't, intend to overclock, then the Abit IP35 pro might be a bit of an overkill..In which case this might be just as good