Hi, I'm going to buy a GTX8800 for my pc, but before that I will need to upgrade my PSU because it has only 250W ( i-cute china brand ), it definetly not sufficient to run GTX 8800. I have found this PSU on ebay cgi.ebay. co. uk /NEW-650-w-SATA-PC-PSU-POWER-SUPPLY-SILENT-120mm-FAN_W0QQitemZ140332178693QQcmdZViewItemQQptZUK_Computing_PowerSupplies_EH?hash=item20ac731d05 I'm not sure does it fit for my new video card or not. Experts please help me !!