I was perusing one of my favorite websites
www.2canadiansonbikes.com and I was looking at their newest mode of travel (I was drawn to their website initially because they also travel by BMW GS's - I have the older GS Adventure).
I noticed the concept of their rig was similar to what I believe mine aspires to. (pic from their website)
If you go to their website, check out the pics and story from Tunisia 2011
I also located the website for the person who constructed their vehicle.
http://toms-fahrzeugtechnik.eu/de/
If you can set up Google translate which will convert the info on the site to whatever language you want (my German is limited). At the bottom of the home page is a pdf/catalogue of what he can do. This might be of some interest to those who are thinking about what they can set up inside their conversion; however, their headroom is greatly increased as they do not have the cross bars and the opening to the upper sleep area appears to be much larger.
I know they do Landcruisers mostly, but I did see a Jeep pic in the catalogue, and, again, the concept appears to be the same as the Ursa...