The E-Inkey is a keyboard concept that could set the standard for the next generation of keyboards. Every key on the keyboard has an E-ink screen on it which means they can change the icon you see on them. So when you're in a program like Photoshop, the keys could change to Photoshop shortcuts which would help you greatly when performing actions. This doesn't just have to apply to Photoshop, it can apply to basically any other program too. The idea is so brilliant but simple too. With E-Ink being a lot cheaper than having actual screens as keys, it could easily be pretty affordable.
Someone make this into a Kickstarter project, now.