The latest news from our videolab: having decided to get deeper than usual tinkering with GeForce FX cooling systems, Alexander Vorobyev, our video section editor, removed the GPU covers that are actually decorative and tried to install the cooling system on the GPU core directly.
What do we get from the experiment? A lot with an accurately reworked cooling system for closer on-GPU installation. In the case above the default GPU/memory clock speeds were 400/800 MHz with up to 466MHz overclocking potential. After the redesign we were able to overclock GPU to 500MHz!
Read more here