We have a 35ft and travel weeks to several months with it, averaging about halftime on the road. Camp mostly at state parks, NPS, COEs etc. I would not have a longer 5er, and we’re very comfortable in this one with storage etc (currently on a 3-4mo trip).
There are a few times that I’d like smaller. As I tell everyone, the perfect size 5er would be 35ft interior with a 30ft exterior length :)
Haven’t seen anything in 30-32ft size that has floor plan we like, besides at this point we’ve modded up our 35ft’er such that it would be hard for me to give up what we have.
If you plan to camp similar to us I’d recommend making sure you look at tank sizes as someone else mentioned. Good luck.