I have a Seasonic S12 430 in my current system and it is more than enough(Athlon xp @2.4, 3hd incl 2 74g raptors, 9700pro, 6or7 fans, 2 media drives).
I am buying for a new build. So far I have a Q6600(will run it above default of course), 8800gt, 2x1gb DDR2, 500g HD(will likely run only one...