A few weeks ago, my rather elderly (Athlon 2500+) desktop PC went bye-bye, in a rather big way--there's still an evil black stain on my wall that was once the guts of its power supply. Worse, the dying PS took the motherboard with it (ouch...)

I finally got around to replacing it... with a core i7-920 based machine. All I can say is, given my typical usage pattern, this is a serious case of overkill... but at least I won't have to worry about replacing it for another six years. :)