http://www.tweakguides.com/ETQW_1.html in linux the config file is in a hidden dir in your home folder
how are you unlocking your fps for your bechmarks?
i know ctrl+alt+~ will open console
com_showFPS will give me my fps, but it appears that there is an fps cap at 30 fps.
I'm wondering whats going on, I'm running two 7900 GS in SLI AFR with the 100.14.23 drivers.