Ibelieve that the combat is better. I have used the cf4 and I don't believe the bat has that much pop. I have the combat -3 version and it's got a lot of pop. The only negative about it is that it...
Aluminum bat last longer and ball flies farther. These days you can get a aluminum bat for less than $50 (worth). It's not as good as the higher end bats ($199+), but it's better than wood. Go with...