The LEGO Mindstorms NXT 2.0 was released in August 200 and was an upgrade of the original NXT platform that used Floating Point operations whereas earlier versions use Integer operation and also introduced a new Color Sensor.
2009 LEGO Sets
2009 celebrated the 10th anniversary of LEGO Star Wars and the 50th anniversary of the LEGO brick. New themes included Space Police III, Power Miners, and a revival of Pirates, while Agents 2.0 continued the high-tech spy concept. LEGO Mindstorms NXT 2.0 refined its robotics platform with enhanced sensors and programmability. The year also saw the conclusion of the original Batman line, Exo-Force, Mars Mission, and Belville, as LEGO phased out older themes in favor of new directions.