Don't get all excited here! An Antec Smartpower 2.0 PSU is ATX 2.0: It has a 24 pin/ 4 pin 12 volt rail and PCIe connectors. Don't concern yourself witht the picture above. ATX 2.0 24pin + PCIe connectors. The Antec 2.0 500 or 550 watt will do you just fine for under a$100!!!!
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.