Check out the Optimus Maximus keyboard:

This thing has tiny OLED displays on each key that can be programmed to show all kinds of stuff. Gone are the days of popping off key caps and replacing them with something new. Now you can just do it through software.

The cost for this fine piece of geekery? A cool $1589.99 at ThinkGeek.com. Yes, that's just short of sixteen HUNDRED dollars - you wouldn't want to spill your coffee on this keyboard!

They do have an affiliate program though. I wonder if you can earn commissions on your own purchases?