Just placed my order for our 110 yesterday. End of March delivery. Very excited.
Looking to have a roof rack/platform that would be suitable for making it an observation deck. Ie chairs etc. I would image a solid deck or close to it , or one where you could add removable plastic decking.

figured someone from this group have installed something along these lines.

 

Try this thread: somewhere around post 11 or 12 there's an example of what I believe you're describing