I've been looking myself and doing a lot of research as well. It's boiled down to the Montana 3665RE or the Bighorn 3670RL. I'm way leaning towards the Bighorn.
Woodwork looks great, storage is awesome, and I love that second counter!! Little touches like the roller-bearing drawer runners, stainless steel sink, real solid surface countertop all add up, I think. I do wish I could get the extended cabinet over the 'L' counter, but that's not a deal killer.
A not insignificant problem with the Montana is that it appears you can't get to the bedroom without sliding it out - implications for when you're on the road. In a tight parking spot. In a rainstorm. The Bighorn has full access to the bedroom, bathroom, (and looks like maybe the reefer, too, for the quick leftover bite on the road? - someone chime in, here...) - all with the slides in.
(Anyway - any mfr that is willing to put his face and name on the introductory video, crawling in and out of closets and storage space, gets my vote...
)
Need for the second a/c depends on where you plan to be. I spent nine months on a contract in Houston - trust me, you needed all the a/c you could get (Houston is not called the 'Air Conditioning Capital of the World' for nothing.)
Up in Oregon - probably not so much.
I think a feature that is showing up that is worth considering is the dual pane windows. My understanding is they don't provide that much more thermal barrier (like residential windows do), but they do make things *much* quieter. (Until you open them, of course - I like to be in places where it's more comfortable to open them
)
But, reports are they help a
lot against condensation (which seems to suggest they provide
some thermal protection...)
My 2c. Hope it works out well for you.
