B&H has the EVGA SuperNOVA 750 G3 750W 80 Plus Gold Fully Modular Power Supply for $79.99 – $20 MIR = $59.99.
This is a great price on a rock solid PSU. Amazon and Newegg are both $80, and everywhere else is over $100. $366 Amazon reviews, average of 4.5 stars. If you’re looking for a quality power supply, this is the one.