Tips

Hardware

No matter how awful you play using mouse, keep practicing with it. Together with the keyboard, it is the only way to claw your way to the top.
Get a 3DFX card to enhance your playing ability. There is not one person I have talked to in the Zone who as not told me it made a big difference in their playing abilities.
To send a message to only your fellow team members in a team game so that the opponents cannot see, type alt/y then #b message (for blue) #r message (for red). Have not tried it but apparenty it really works.
Apparently you can get unlimited TNT by lighting the TNT and then switching your weapon. Have not tried this out but apparently it works.

Mary is by far the best character to use in bunkers. I found this out first hand.
To find out what your frames per second are during play, type OLFPS.

Make sure that you enable your Crosshair setting within the OTHER OPTIONS selection from you Outlaws Main Menu.