I found this 1988 3023 Super Hero Trailmanor for sale on Craigs List. It is unbelieveable. You'll have fun thinking about how practical it is, but it is something to see. There are 2 links, one for the sale discription and one for photos.
http://ginnservices.com/trailmanor.html
http://houston.craigslist.org/rvs/1684805870.html
Be sure to pick your jaw up off the ground after you see the photos.
Jerry and Martia