Just to add to the post by Cheese, I thought up this pro tactic.
How about (forgive me this is a new radical idea, so excited)
Not jumping into the comm chair on your first game of NS!
Admin of Brys Natural Selection Servers (UK)
#bryns @ qnet - www.brywright.co.uk
188.8.131.52:27015 -16 man, ns only
184.108.40.206:27020 -16 man, ns and co
220.127.116.11:27015 -rG NS (#urbangamer @ qnet)