Houston Camera Exchange boasts a 7,000-square-foot showroom of new and used cameras and equipment, including lenses, flashes, cases, tripods and more. As for cameras, you got your Canon, Contax, Fuji, Leica, Nikon, Olympus -- you name it. They also offer digital and film processing, and their Web site has a forum where you can swap tricks of the trade and talk to photo enthusiasts about camera-specific topics such as digital vs. film.