Gamers Coalition has been around since 2002. GC's L4D2 server has been around since May 2010 has is still going strong and we don't need a dozen servers to prove anything. Ranked in the top 10 servers on GameTracker, GC's L4D2 server offers simplistic gameplay mods that aren't cumbersome unlike other 10v10 servers out there. We don't have mods that, depending on your time played on the server, drastically overpower you, give players unfair advantages over new players, or just ruin the experience for everyone else. Everyone is equally matched from start to finish. Only skill rewards the kill.
GC's website:
http://www.gcftw.com
Proof GC's server is legit:
http://dl.dropbox.com/u/77750/gcftw.png