COOOL! Glad to know that you don't need an RMA. I've seen some CPU's whith a dust cake ontop of the heatsink so thick that it was rubbing the fan! The computer would run for about 30 minutes then crash, wouldn't work again for a couple hours till everything cooled off.. Take care of the dust situation! I tend to blow the dust off my heatsinks every other month. If you have long pile carpet or long haired pets in the room that the PC is in, the dust can build up pretty quick.