Already got the weighted companion cube fuzzy dice in your Astrovan and the cardboard helmet to match? There's hope for you dear portal fan. Here's yet another Aperture Laboratories-themed creation to show off your geek fetish to the world. This time it's numbered parking permits for both Aperture Laboratories and Black Mesa, the fictional experimental science organizations found in Valve's Portal and Half-Life games. The Black Mesa one's been around a little longer, but the Aperture Labs reared its wonderful head last month. Both run for $10 and come with bonus Half-Life themed bumper stickers.