Dave Hill recently updated his site. He has a distinctive high-contrast, almost cartoonish style. While such images are likely post-processed in the computer, I believe that they also requires control over lighting to achieve.
Joey Lawrence (not from TV) does some pretty amazing work, especially considering his age: 17.
Todd Hido has a clean website. His landscapes have a dark yet dreamy quality about them.
James Balog is a nature photographer. Check out his work on glaciers. There's an article on the Nikon Pro Challenge that shows some of the behind-the-scenes setup. [via strobist.com]