Okay, the "wheeling" part of the vid was kind of lame. But all the cool stuff that rig has is pretty impressive. All those cubby holes filled with BBQ's, outside frig, dual gas bottles, 6 batteries to power everything...
and I think it would do just fine off road with a change of tires! Of course it won't do any hardcore stuff but thats not what it is designed for. It will definately get you off the beaten path and be a very comfy home base!