I don't see how that would cost $6800.
You probably didn't OC it.
The retailers probably done it for you, overpricing that shit.
Since you have 3x 580's, you were going for a beast gaming build.
I would of bought Intel i7 990x instead.
I'M JUST GONNA USE MONEY FROM MY GRANDMOTHER AND THEN SAY THAT IT'S FUCKING AMAZING BECAUSE I DIDN'T EVEN KNOW HER. Fucking tool.