Any others in my price range that are better? Would like to power a GTX 580 and (If my budget allows and i get lucky with prices at the time) an i5 4670k.
Any of these are good supplies. Don't know the prices there.
The Corsair listed above or.
XFX Core Edition PRO550W
SeaSonic S12II 620
SeaSonic S12G S12G-550
SeaSonic G Series SSR-550RM