Those are great suggestions. I am currently approaching the RV idea and will take some time to finally make the purchase. I want to haul my BMW F800GT (500lbs). So far the new 26RR looks like the best value for money but all the things you pointed out for the 25RR (at which I have looked but I don't like the bed design) also are true of the 26RR.
Wardrobe space, something opposite the kitchen, and a better use of some of the "garage" space are on my list also. The 26RR comes with a shower not a tub shower and I would prefer the shower tub.
What are the issues (if any) with legality of building internal extras?
Also I notice that there is minimal external storage and wondered about black waste pipe holders etc.
Anyway I hope to follow your thread with interest.
RiderBloke (alias Ron Cook)
Retired Intentional Interim Minister
Member of the BMW MOA
Saginaw Valley BMW Riders