http://developer.apple.com/designawards/
The Annual Apple Design Awards for Application Software recognize innovation, advanced Mac OS X look and feel, maximum use of Apple technologies, and new, exciting, and high quality product entries to the Mac OS X market, including an all new Server Solution category.
The 2006 Awards are done and have been announced. You can find a complete list, with links, at http://phillryu.com/2006/08/09/uh-wow-apple-design-awards/ . The official site has the winners, but no links ;)
BTW, if you happen to run across official info from Apple in a year for the 2007 awards, please be a friend and post it here. Thanks. :)