nice cot- I know in the concept the canvas looks stretched tight, but it might be cool to have it sag a bit.
Oh and to clear things up for everyone its a Quake 4 concept. I was confused too before I realized it reminded me of some Paul Richards action:
http://www.autodestruct.com/images/quake4_beds2.jpg
mmmmm autodestruct is tasty:
autodestruct.com - concept