Newegg will give us a CORSAIR HX750 750W ATX12V 2.3 / EPS12V 2.91 80 PLUS GOLD Certified Modular Active PFC Power Supply for $89.99 after promo code AUCR20 and $20 rebate. It will power your new Haswell processor as well as SLI / Crossfire video cards and more. This is a serious PSU on sale.