My DD has the 2014 LXT and loves it. Another player had the Xeno and only swung the LXT after she used it. I have been reading about the 2015 models and from what i gather the LXT is even better than last years.
From watching games in person at the 12U/14U levels here's my breakdown of bats.
1. LXT
2. Mako
3. Xeno
4. Demarini anything
5. 2Legit from worth<------Haven't seen to many used except from players who are on teams that match the bat.