Need help finding what dimensions my pc supports for a power supply I need to replace my power supply for something quieter and stronger im going to buy a new graphics card, either Geforce 8 series or Geforce 9, here is a link on my specs : http://h10025.www1.hp.com/ewfrf/wc/prodinfoCategory?lc=en&cc=us&dlc=en&product=3644917&lang=en any power supply recommendations appreciated, thanks in advance, cheers