There are those who master Guitar Hero. There are those who know all the World of Warcraft binds. Then, there are those who really want to master Photoshop, but just can't themselves to go through the manual to learn all the shortcuts. Photojojo hears you, and they've just made a series of new keyboard shortcut skins for Mac versions of Aperture, Final Cut Pro, Photoshop, and other programs to provide color-coded hints for those in need.
Available for laptop keyboards for $30 and desktop keyboards for $40.