It's called the Hennessy Hammock and it pretty much looks like it beats the pants off of any one-man tent for camping in places where there are two tree-like things available. It would be perfect for bike touring or backpacking and I really want one. The most obvious advantages it has over a tent are that you don't have to find a flat spot to sleep on, you're not going to wake up with some kind of gigantic puddle seeping through the bottom, there aren't any poles, and significantly fewer crawly-type bugs will bother getting into it. Considering there are still a pretty good number of trees around, I don't see why anyone would want to set up some jackass tent instead of using this thing (besides that it sort of turns you into a food piñata for bears).
I'd probably go with the Explorer Deluxe A-sym, mainly because it wouldn't explode under the terrible strain of holding me off the ground. The "A-sym" part just means that you're not laying with your head and feet pointing directly at the supporting trees, but at an angle across the middle which makes the sleeping position a bit more flat.
That's how you get in and out of it.
