check out: http://www.youtube.com/watch?v=xICg592xJTg which describes modding a standard ATX PC power supply for the MDD. I've never tried this myself; my G4 is a DA, but there is a similar procedure for that model as well. Try Googling it; it certainly gives you the opportunity to put a much beefier supply in a G4 class machine. - Michael B. in Cincinnati