Thanks for the input, Johnnie. I bought a brand-spankin' new 300w power supply just before X-mas. I'm more inclined to believe it was the brand new drivers for my brand-new kick-ass nVidia board. Upon installing the latest nVidia drivers and not the ones that came with XP is about when the troubles started. Looking back I do remember XP warning me that "These drivers have not passed rigourous testing...blah blah blah". I though it was a pile `O crap and installed them anyway. I have since rolled back to the default XP drivers and I seem to be doing fine. Thank for all the suggestions, folks. :)~