What I'm looking for is the typical corner queen short "C", with the dinette on a slide. Nothing earth-shattering. One RV dealership near Dallas has a number of E-350 rigs, but no slide-out. After seeing a number of rigs, the dinette slide isn't large... but it does make a big difference when camping. Plus, when it is in, the rig is still usable, especially the bathroom.
As for the Transit, it will be worth the time spent waiting for it. I was working with Sportsmobile on a custom Transit class "B", but found that a close family member that will often come with me finds a "B" too stifling... so I had to scrap those plans, and am just going to go with an "off the shelf" short "C" instead.
