It's not really where I sleep that I want an enclosed setup, as I'd probably wind up getting a RTT anyway and sticking it on top of it. More for carrying gear and stuff out of the weather, and not having to tie and untie stuff every time I setup and break camp.
Problem is that the functionally of the flatbed is completely void when I go camping. And if I did hardsides it would allow me to lock it when stopping at a hotel. Although in truth that isn't a big concern, anyone motivated enough will get the stuff.
I do see what you mean by the lack of visibility. Hadn't really thought about that. Maybe I should think how to put some windows in it?
On my last trip I stuck all my stuff in the accompanying SUV. We traded, I took all the cooler and stuff in boxes that didn't matter if it got wet, He took all the soft stuff, clothes sleeping bags etc.
So what I'm really looking for is somewhere to carry the "soft" stuff without crowding up the cab.
Anyone out there got any idea?