The pixel art of the Space Invaders works especially well in a cutting board made up of blocks of wood (end-grain up).
From the catalog: "This cutting board is hand-made in the U.S.A. Each cube of walnut and hard-maple lovingly glued to its brothers, then sanded and polished to a shiny finish. Because they're made by hand, there's an extremely limited supply, so make sure you get one before they're all gone!" ThinkGeek.com has info and lots more photos.
Of course you could shamelessly rip off the idea and build your own. And you might check out a Legos catalog for more ideas, and you might find something more appropriate to your generation.
[Thanks to BoingBoing.]