Tweaking FEAR(if possible)

ok I was wonderin if anyone knows what are the best advanced settings for FEAR.I run it on medium right now and im wonder just how much I can squeeze out of FEAR and my card(which is still a damned 6600GT but never the less good).If anyone knows the best look for FEAR and yet the best performance for it on my system plz tell me,and dont direct me to the Tweakguide.com place cause that was a horrible tweakguide for FEAR.:major :yum :major