I am plagued by what sounds like EMI or RFI coming through my earphones. It varies from a sort of buzzing to a whining, or the sound of metal being ground by a very fine abrasive. It's hard to describe because it varies widely. It seems to coincide which any significant electrical activity in my build, i.e. visual changes on the video display (even when the mouse pointer moves), disk activity, etc. It isn't real loud, but it's there and i;'s driving me nuts. Anyone ever run into something like this? Ideas? Use the pulldown to see my system specs. Thanks.