Did a little upgrade to one of my boxes, a Barton 2500 and a Shuttle AN35 Ultra 400. You talk about bang for the buck, I zipped the Barton to a 200Mhz fsb on first boot (optomistic, huh?), none of that burn-in crap for me, no problems at all. I'm using the stock HS/F and left over Cricial 3200...