Bryan Lowe of Seattle's Shantyboatliving.com passed on word to me of this company- one called Kamprite (Kamprite.com) that manufactures a variety of tent-cots. They're too heavy for any backpacking use, but for use as in-a-pinch guest-sleeping quarters, camping from cars (in drive-in, designated sites) they'd work rather well I'd imagine. Its the tiniest of "houses", I suppose....
Check out the video- they have many more (for their other models) online too...
-Derek "Deek" Diedricksen