Not sure if any of this would work for you guys...but....we have done alot of work on our Argosy and started from the front and working our way to the back.....we had the set up of a dinette but went to a full time bed set up and love it....I also have a pretty tall DH....so this works out way better for us....
This is the before (please excuse the nasty cushions this was way long ago)
and this was the building process:
and in this pic you can see somewhat of it covered: