Good Day. Considering a Unity MBL, FX, or MB. We liked the TB, but without the slide it seems rather small inside. Can you all let me know the pros and cons of the Unity? Worried about external storage, will the AC keep it cool? and any other issues or surprises you have run in to. We are coming from a 36' fiver. Also thinking of Navion, or Entegra 26B and Newmar...