Also keep in mind that just because it says SLI capbable doesn't mean you can throw reason out the window. 550W isn't nearly enough to SLI 2 GTX280 cards. Rather then look at marketing terms, figure out how much you need, and how much you have. Its not so confusing after that.
------------------------------The voice of REASON
Do NOT feed the TROLLS!
Always a DEMON!
Reply to 4745454b