Welcome!
Slide, or no slide?
5000# GVWR, or unladen weight?
You say under 24', is that your ball-to-bumper limit, the model designation, or the box size?
The screen room would be an add-on option since I don't know of any factory ones offhand.
A walk-around bed rules out a hybrid or Outback w/ rear slide. A true walk-around bed may be a bit hard to find since most have tables at the head of the bed (it's really the front pass-through space.)
Black / gray / fresh water tank capacities are considerations if you'll be camping w/o hookups.
Value would be a gently used trailer if you can find one, let somebody else take the hit on depreciation first. But you run the risk of getting one with hidden damage.
Jayco's have a 2-year warranty, and you can buy an additional year with Forest River products.
Since it's mostly my wife and I, we ended up with the TT in my sig but it's a bit bigger than your specs. Nice bathroom though, a decent amount of storage, and 26-1/2' ball to bumper.