one of the best psus out there and more power than you need (750w) which leaves you all the room you could want for any upgrades later on (it supports up 8800GTXs in SLI), it's a little over $100 initially, but there's a big MIR to gring the final cost to about $70...
here's the product page, just click on the harness diagram link on the right of the page to see if the cables are long enough, from what I saw most of them are...