What is your budget because I might have a good deal for you:
PCPartPicker part list:
http://pcpartpicker.com/p/bJQzK8
Price breakdown by merchant: http://pcpartpicker.com/p/bJQzK8/by_merchant/
Benchmarks: http://pcpartpicker.com/p/bJQzK8/benchmarks/
Power Supply: XFX 650W 80+ Bronze Certified ATX Power Supply ($59.99 @ NCIX US)
Total: $59.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-06-04 12:54 EDT-0400)
I know it is 650W, but is comes at a good price and it is made by Seasonic, one of the best PSU manufacturers.