OCZ 600 Watt Game X Stream PSU 600 Watt 20+4 Pin SLi Ready Geforce 8800GTS 512MB graphics card PCIE Intel Core 2 Duo E6850 2x 3.0GHz / LGA775 1333MHz FSB / 4MB Cache Asus P5N-D Socket 775 / nForce 750i DDR2 / PCI-Express SATA / 8CH HD Audio Corsair 2x1GB TWIN2X2048-6400C4DHX PC2-6400 / 800Mhz 4-4-4-12 Timings 2X1GB Matched Pair Creative Inspire T6100 5.1 Speaker System LG GSA-H66NBAL 18x SATA DVD Writer SATA / Black 500GB Hitachi Deskstar 7K500 7200RPM 16MB Buffer SATA Saitek Eclipse Blue TrueVu Key Illumination Silent Knight AL Pure Aluminium Quiet CPU Cooler Pure Aluminium Galaxy III Black case LED This all costs around 850 quid +/- 150 quid. sorry guys, 'quid' is British slang for Great British Pound. also so the only thing i need different is more power?
you will need at least 900 watts.
hope this helps
What you have specified will work well enough, though.