How would you like to play with MAXFPS all the time ? Type in console the following commands in this exact order:

[INDENT]alias "+aim" "+attack;wait;demos"
alias "-aim" "-attack;wait;demos"
bind mouse1 "+aim"
fps_max 301
cl_forwardspeed 400
cl_backspeed 400
cl_sidespeed 400
cl_yawspeed 400
interp
impulse 101
host_writeconfig[/INDENT]

Commands are copied from fOrest config ! They work for 100% of PCs, on Windows, Linux, Mac OS. You're welcome !