I agree with the others - I'd look for a not too old higher end used one.
When we were buying on a regular bases things were moving fast; full body paint, 4 slides, &
Comfort Drive, just to name a few - were all new technology and/or features, so we were buying new.
Today it's pretty easy to find a nice used unit with those features, and IMO all of them would be "must haves". Actually since we got them we've stopped shopping. We were buying every 3-5 years, we've owned our current MH almost 10 years now and have no intentions whatsoever of buying again any time soon.