It's true, the concept isn't really new.
Other than the fact that it's a nice looking rig, I was more bemused that walmart was trying to con everyone by trying to give the impression that they are environmentally friendly, all the while using a glider kit to get around epa emissions regulations.
If they still made the argosy for north america and I was looking for a D unit, that would be my choice. I think you could fit a 30' box on them.