Mike Krahulik (Gabe from Penny Arcade fame) just posted pictures of some of the coolest D&D terrain ever constructed. He ran a game in the Elemental Plane of Chaos. A place called Moteswarm. When I saw the pics I nearly had a nerdgasm. Check out the link below for some D&D glee. I may have to try and construct some of these motes just to experience combat in more than one plane of reference.