I'm not a fan based on the pictures and website. The execution looks good, but unless you are a small person, I don't think the design works.
1. Tall but not tall enough to sit up in bed or standup.
2. Front window is one of the most common places for leaks in Class Cs and TCs.
3. Marker lights are also one of the most common places for leaks. I don't think they are absolutely required. Host doesn't have them on theirs.
4. Seems expensive for a very basic design, but I guess everything does any more. ;)
Frankly, the fiberglass panel idea with square lines seems good, but I feel a popup or A-frame idea like some TTs would make more sense.