Bushwackers: expensive, get pwned in open play.
Wacky Warriors: only been to private games
I have been to Bushwackers and Wacky Warriors, and Fearless Fighters is my favorite.
It has the best prices and it has different skill levels of open play, so you don't get pwned. Bushwackers and W.W. have better variety in fields, but all of F.F.'s fields are still very fun.