If your looking to get one of these cool rigs, I've gathered more information about it. It's the Outback "Loft" model by Keystone RV. You can read more about it, see more pictures and download a brochure at the Outback Loft Website.
Does anybody have one of these or know someone who does? Do you fight over who gets to hang out in the loft? If so, post a comment and let me know what you like about it and I'll post it here.
Update (March 2012)
Here's a new take on this cool idea, but this time it also has a basement. Check out the RiverSide 32LOFTRB.