Guys, I think I've decided on these power supplies. Will this be overkill on wattage? Or just enough.

EVGA SuperNOVA 1000w G2 80 PLUS GOLD: http://www.newegg.com/Product/Product.aspx?Item=N82E16817438010
CORSAIR Professional Series 1200w Gold AX1200: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139014