This fuckin thing is called a tentcot. It's an off the ground tent built into a foldaway cot. I'm linking the oversize version because it has the domed ceiling, which lets you sit up inside it.
http://www.amazon.com/Kamp-Rite-DTC443-Oversize-Tent-Cot/dp/B000I641UQThis is NOT for backpacking. The price of the easy <1 minute setup is that it's heavy as it's based around a folding metal frame that has to support the weight of your body. This is for car campers willing to lug something like this to the campsite in exchange for being up off the ground and having their tent set up (and packed away) super fast.
