Mazda has just revealed the latest special edition of the MX-5 Miata. This 2012 model will see only 450 units produced as the limited edition Power Retractable Hard Top will be available in the U.S. As previously reported on CarBuzz last weekend, the 2012 MX-5 Miata Special Edition runs on a 2.0-liter 4-cylinder engine rated at 167hp and 140 lb-ft of torque. In the U.S., it will be available with either Crystal White Pearl Mica or Velocity Red.