Cooling my Guru's .. that's what we are talking about today. A much underestimated issue. PC's these days are getting faster, hotter and louder. Most important of them all is of course heat, PC's these days are getting hotter. And especially if you have a new model Pentium 4 processor based on the Prescott core you pretty much will have a heat issue. I have two of these what I like to call furnaces here in the lab.