but i like the idea of a test psu!!! a small local pc shop is going to put a secondhand one aside for me, they won't sell second psu's on normally but they don't mind me having one to mod for testing purposes, think that's really good of them 
Mentioned test psu in the 2nd line of the first reply
i didn't even know you could mod a psu till you guys said, but a quick look on the web and 