You seem pretty well set on what you are looking for so the only suggestions I could make would be that the floorplan your describing is one that basically every manufacturer offers, Keystones Outback 255UBH for example is very similar. The manufacturers all offer a range of models from more basic, to more deluxe, and pricings follow those design levels. The thing you posted initially that I thought was great was that you mentioned your budget, and specified "out the door"
Visit as many dealers as practical for you, go to a show if possible, but before getting in too deep on your discussions ask about their "fees" and add on services. I was looking at a unit , just shopping really, and the G/F really liked a unit, was offered with a price that appeared most reasonable, 23k, and it met our requirements, quality was not quite what I wanted, but it seemed livable. we offered to make a deal at only $1200 under their "sale price" which was readily accepted. Then came their paperwork.
Shipping $1400.00
Dealer prep $1500.00
Documentation fee $399.00
I started to protest and they tried to tell me that some of these were state mandated, I used to have a used car dealer license, and knew it was untrue,
Get all their additional "Fees", "service add-ons", and pricing policies up front, and if they dont want to go over that first, consider another dealership. There are some that are very up front and open about their policies, and are proud of that, others,,,,, not so much.
Also consider when possible buying from a small dealer, Local businesses that have become established in an area have demonstrated some good faith over time, or they wouldnt be there, and talking to the owner or a family member is easier when resolution of problems becomes a need. Seldom is the big nationwide chain abel to adjust to your needs as well as the smaller local operation.
Good luck in your search.
