RE: Mathews or PSE??
Ideally I'd say tell the little monster you are getting him/her a bow then take them and have them shoot a bunch to get a good feel for which ones they like. I personally really love my Mathews. It shoots smooth as peanut butter. I have owned several bows and went to shoot probably 10 different one when I was shopping for this one. It surpassed every expectation I could dream of.