Some standard 650w ish good brand,Corsair or PCP&P will do it, the HDDs are the main prob ofc so you will most likely need to invest in some 4pin > 15pin convertors. 8800GTS is pretty hungry so 26ish 12v rail to be sure.
CORSAIR CMPSU-620HX 620W ATX12V v2.2 and EPS12V 2.91 SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC Power Supply - Retail
Do you think this is a good choice? What do you mean by 4pin>15pin convertors? Will the PSU be capable of connecting all HDDs? English is not my native language, I don't understand that comment either:
"8800GTS is pretty hungry so 26ish 12v rail to be sure. "
Another thing that I need to know - what kind of cables/connectors I need to purchase in order to use 10 HDDs with this PSU? My primary choice as PSU was this model, featuring about 12 SATA connectors: