I think this is the best idea. I plan to do this when the grandkids are old enough to go out with us.
http://www.trailmanorowners.com/foru...ight=Bunk+beds
Uses the Discobed
http://www.discobedusa.com
The couch is very nice to have.
Send in the 12 bucks if you haven't already. I have found to be money well spent.