To my understanding I have found a way to decrease the lag in game by taking out commands only utilized by the Xbox 360 and PS3, since this game was ported over from Xbox 360. Let me know how it works Enjoy ^_^.

Heres a link to download the config.

*NOTE* you will have to change all of the key binds and class names since it will be listed as mine. Also when doing this go to your conifg, right click, go to properties then untick "READ ONLY" when you are done retick "READ ONLY" and your done. Do not go into a server wiht "READ ONLY" unticked or steam will alter your config settings.

http://www.megaupload.com/?d=KXEN7QR0