We have a 2017 ACE 29.3 and have driven it twice from Atlanta, Georgia to the California coast as well as lots of places in Florida. I'm very happy with it and would buy it again, but they've now dropped our favorite floor plan.
Numerous things go wrong, most of ours pretty minor. Just remember, you're house has things going wrong and this one moves and creaks and bends and flexes. Learn to do as much as you can on your own or find a good service to do it.
I love the floor plan of the 29.3 with the dinette on the passenger side. That's the side that faces the lake! We chose buying new instead of used due to the perfect floor plan for us and the much larger windows.
The size of our unit is perfect for our needs as we normally camp in smaller campgrounds and only use RV parks as a necessity when a state park isn't nearby. This does mean giving up some space, but we find it completely comfortable for the two of us. If you are into TV (we aren't) the Seiki are really cheap and as has been pointed out can't read QAM tuners. In three years, we've only been in one state park with cable, so it's just not an issue for us.
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