"Overclocking is the poor man's upgrade, and many people have turned overclocking of various computer components into an art. As anyone who has ventured into the complex world of overclocking, the principal enemy of overclockers is HEAT. Today will will show you what some Tweakmonster Ramsinks and a Crystal Orb will do to a normal Geforce 3 and the temperature drops and overclocks it will allow."

More information is availible here.