These are pretty neat. They're stackable stools that look like keyboard keys, and they say "sit" on them, just in case you thought they were for anything else (leapfrog, maybe?) They're available in both black and beige, but sadly no "brushed aluminum" hue to match your MacBook Pro.
Now if they could only make a "delete" edition. It could have a hidden trap door built in so that you can instantly "delete" annoying people from your house simply by making them sit on it.