IMHO Four Winds E450, V-10.
Important FYI:
If you are considering slides make sure ALL the slides are put in BEFORE you purchase a MH with slides.
Many models when the slides are pulled in you can NOT access the bedroom, bathroom, fridge, sink, etc.
Having a full family on board you want to be able to access ALL these places within the MH while you are traveling.
If you are looking at new the dealership will have all the slides deployed. If you ask to see it with the slides pulled in the salesman will most likely tell you there is no battery on board so he can't pull them in. Ya right, they don't want you to see all what they block inside. :R 
MAKE the guy put a battery in so you can see all what is NOT available to your access inside the RV when the slides are pulled in. And that goes for buying used from a private party too! :W
Good luck finding just the right MH for your family. :C