LEGO MINDSTORMS NXT Robotics Toolset
The Lego NXT Robotics Toolset: 32-bit Processor, More Memory, USB Connectivity to the PC for programming, BlueTooth so your phone can control the robot, Bump Sensor, Light Sensor, Sound Sensor, and RangeFinder Sensor. This is the RCX upgrade we were hoping for…downside, not backward compatible (so what). You want more details? Check out the Lego Press Release and the Wired Cover Article.