If iRobot tickled your fancy, but you don't have the budget for military-grade technology, how about this fella? So, it's not officially called PlayRobot, but if there was a naming convention, we guess that would be it. The buggy has a mounted camera, which relays video back to the PlayBook over a WiFi connection set up via a BlackBerry 9900. The six-wheeler is controlled by an on-screen joystick, much like many tablet versions of arcade games. It's an entrant into this weekend's Robot Challenge
