The latest 450 sized 3D helicopter from Century UK is the Genius 450.

This model can take you from learning into the basic stages of 3D and beyond, complete with 120' CCPM, 325mm carbon fibre blades as standard, a belt driven tail gearbox, heading hold gyro, 11.1v 1800mah lithium polymer flight pack and full brushless 40a ESC and motor combination to provide more than enough get up and go.