In BFBC2 it's very cool to play.When a tank is driving by you feel the rumbling coming slowly up and increasing when it's getting closer..Fading away while passing...
I have it on, but it can get annoying. Like at the end of a match, if you got destroyed by a barrel, that vibration will carry on for a good 10 seconds. It feels like it's having an epileptic fit sometimes.