We are currently using the Canon 5D Mark II 21.1 megapixel and the Canon 40D with 10.1 megapixel resolution as back-up. My lenses are a 24-105, a 18-50mm, a 28-135mm, a 10-22mm Wide Angle, an incredible 100mm Macro and the 70-200 mm - all Canon Lenses. I have an ever-growing collection of studio equipment (to my wife's dismay): Alien Bees strobes, soft-boxes, reflectors (store bought and homemade),
stands, backdrops and a bunch of other things. I also connect to my Apple MacBook Pro to my camera whenever possible during my studio work. My post production work-flow consists of Apple's Aperture, Adobe's Lightroom 2, Adobe's Photoshop, Illustrator and Bridge. The dictionary and thesaurus are always at my side as well.