This is a hard one, in an ideal world I would pick a Safari Trek sort of like mine, but they stopped making them in 2008, so even the newest of them will be subject to components aging out, which is an ongoing fight with my coach. Then other problem is there are not many "quality" smaller class A coaches, as the industry consider anything smaller to be "entry level" and built to lower standards. Given lets say a less than 10 year age max, I would look at the Winnebago Vista / Vista LX, and maybe the Newmar Baystar, which has a Brite Tek roof, not fiberglass, but still much better than EPDM or TPO.
2002 Safari Trek 2830 on P32 Chassis with 8.1L w/ 400 watts solar 420Ah LiFePo4
2017 Jeep Cherokee Overland & 2007 Toyota Yaris TOADs with Even Brake,
Demco Commander tow bar and Blue Ox / Roadmaster base plates