The CM-900 is a new breed of controller from ROBOTIS. This 32bit ARM Cortex-M3 based controller is designed for developers, giving access to JTAG/SWD sockets, 32 digital I/O, 10 twelve-bit analog inputs, and a 7-channel DMA. Intead of using RoboPlus, the CM-900 uses the custom CM-9 development application. This open source application has a variety of libaries for controlling and interfacing with DYNAMIXEL servos and other ROBOTIS accessories.
And because the controller is based on the Arduino/Processing platform, it is compatible with Mac OS and Linux in addition to Windows!
The CM-900 is still compatible with many of your favorite BIOLOID accessories, like the RC-100 (via the a Zigbee or Bluetooth wireless module ).