What is a good FPS game?

[JDV28]

I'm looking to find a new frist person shooter to play. I currently play Frontlines Fuel of War and shadowrun. Pretty basic, but i can't seem to find any good fps's lately.

 

[bpogdowz]

Killing Floor

 

[Helloworld_98]

COD4? COD:WAW? ARMA 2?

 

[stevensl2]

one of the more popular few include:
- Team Fortress 2
- Call of duty 4 / 5
- Arma 2
- Counter Strike: Source