For overclocked Celeron's this heatsink would easily kill most of the competition out there in one go. When it comes to FC-PGA Pentium III's you will be looking at a above average performer for it's size, still a bit short of the SuperOrb, but significantly better than any OEM heatsink. The P366 is not rated for anything above a 1.0 GHZ PIII or 1.1GHz AMD Duro/T-Bird.

The chice is up to you on this one. If for instance you are looking for a good performer for a tight space this will be a heatsink worth considering. It's made entirely from copper so it should easily cope with rapid increases in temperature, but on the same token it's not too heavy.

We really like the large thumb clip and found attaching the heatsink simple, and without fears of snapping something in two. The YS Tech fan is a reliable ball-bearing based cooling solution, and all this adds up to a solid performance package for mid-level systems. All in all we really like Neng Tyi's Subete Doda !! SE (P366) copper heatsink, but would have liked to have seen it kick Thermaltakes butt a bit.