Thermaltake PurePower TWV 500w PSU
 

The choice of 500 watts of power provides a PSU with just the right amount of power for all virtually all todays requirements of modern computers from the office to home desktop use. And with you only needing to plug in the power leads you actually need you do not have to find a home somewhere inside your computer case for the ones you do not use. We all know what that is like.
at: http://www.a1-electronics.net/PcHard...00w_June.shtml