This specialist keyboard is fully programmable and incliudes a joystick, mouse buttons and gesture pad. The HHKB Studio is the ultimate professional keyboard.
The Happy Hacking Keyboard, built by Fujitsu, and relatively unchanged since 1996, takes a decades-old Unix-style layout, strips out all unecessary fluff (silly dedicated arrow keys, for instance), and marries it with an only-from-Japan ultra-minimal design.