B&H Photo Video has EVGA GeForce GTX 1080 SC GAMING Graphics Card + EVGA SuperNOVA 750 G3 750W 80 Plus Gold Modular Power Supply on sale for $490
I’m not sure, maybe you can get mail in rebate $20 for the EVGA SuperNOVA 750 G3 750W 80 Plus Gold Modular Power Supply
https://www.bhphotovide