Thanks, Truepower it is, now why I'm considering these two PSUs, well have a look at these screenshots which occur when I play Knights of the Old Republic II, this happens when the initial starting menu comes up, now I was lucky that my computer didn't restart before i could exit and take a screenshot, usually it just restarts, no BSOD, when this happens the dvd drive makes a like kind of high pitched sound, and it kept happening, and then usually the sounds continues for 2-3 seconds and the computer restarts,this time is just happened occasionally, well here are the screenshots i managed......
Weird Fuzzy screen Picutre 2
Explaaaaaaaaain, this doesn't occur with my other optical drive by the way.