Shalom,
Yes, the older Coleman weigh less. The new version (Fleetwood Santa Fe) comes in at 1,870 lbs.
Here is a Kamparoo, it weighs 950 lbs. This particular one in the photo was for sale a couple of months back on
www.ih8mud.com. It was in Colorado and I don't know if the guy sold it or not. There is a link to a bunch of pictures in the thread. Just do a search for Kamparoo.
The dealer in Canada currently has one for sale and I was considering it. I have all the info at home and I can email you the contact info, pics and prices if you are interested.