I was just about to post a shortcut list but Ian Lyons has a much more beautiful set done:
From this Post: http://www.adobe.com/cfusion/webforums/forum/messageview.cfm?forumid=72&catid;=590&threadid;=1214586&enterthread;=y
And this page : http://www.computer-darkroom.com/lightroom_b4/lightroom_b4_1.htm
You can download a PDF for Mac: http://www.computer-darkroom.com/lightroom_b4/lightroom-mac.pdf
And PC: http://www.computer-darkroom.com/lightroom_b4/lightroom-win.pdf
