I only have small BH TT experience with what I bought.
That said, I recommend you look at double axle models or look for one with a 5K axle. Mine, and many, has a 3500# axle which significantly limits CC, even with the 3877# GVWR which counts the tongue weight carried by the TV.
Second, I didn’t want to hassle with a Murphy bed. NOW I consider crawling over one another to get out of a East-west bed more of a hassle than a north-south Murphy would have been ;(
Lance has a super reputation, Jayco comes close.
Your reasons for a bunkhouse are your own. Ours was for our grandkids. I’ve since removed the upper bunk for lack of use and more space.