I just chose all these parts from Scan to compare it with others:
Chenbro *Scan Exclusive* Gaming Bomb 2 - Silver / Aluminium Ultra Hi End
600w Seasonic S12-600 SLi Ready Silent PSU 2xPCI-E 4xSATA 120mm Fan ATX1.3/2.01
Asus A8N-SLi Premium NF4 S939 DDR400 PCI-E SATA Raid Gbit Lan 8Ch Audio
AMD Athlon 64 X2 Dual-Core 4400+
2 Gb (2 x 1 Gb) Corsair TwinX, DDR, PC3200PT, Cas 3
256Mb XFX PCI-E GF7800GTX DDR3 Dual DVI ViVo TV (G70) *Pre Overclocked*
250GB Samsung SpinPoint P120S (SP2504C) 7200rpm, 8MB, SATA II Fluid Dynamic Bearings, 25dBA
Creative Labs Sound Blaster X-Fi Xtreme Music Sound Card
NEC ND-4550A
Total price: £1,478.21 (+ V.A.T % Carriage)
If I shop around I can probably save him around £100, but the case will be bought from Scan since he seems to really like it after seeing mine lol.