B&H has the EVGA GTX 1080 FTW DT with a 650 G3 Gold + rated power supply for $529.99 with MIR of $20, bringing the total to $509.99 with free shipping.
EVGA GTX 1080 SC2 version with same power supply for 559.99 with MIR of $20 as well, bringing the total to $539.99 with free shipping.