I have clocked a Geforce 2MX/MX400 pci from 175Mhz core 166Mhz memory to - 333Mhz core and 190 Mhz memory, the most performance increase was 4 fps in quake 3 arena demo. at this speed the system ran stable for around an hour with a huge internal fan on the gpu. is there something wrong that you guys can think of why i am only gettin 4 fps increase >?? also how the hell have i jumped from 175 to 333 ? plz help im confused here also my system is now different to that stated below !