Do you like dealing with the screaming kids or "the world is against me" teens??
Boy, this ortho/pedo generalization thread could really go on from here!
How about being a GP and treating both sub sets, and their parents, and referring out all the things you don't want to do

Honestly, don't get any pre-concieved notions about what area you might want to specialize in until you've done some work on either of those groups!