I liked the shape of Razer Imperator. But during the operation revealed that the laser in her lousy quality. Do not clear the jumps of z-axic problem (http://www.youtube.com/watch?v=MZhFKOq8CM8) and so on. I decided to replace him on the optics DeathAdder (in my opinion the ideal at the moment). I did not connect button on the changing profile of the top row of extra buttons because I do not need it, technically it is also feasible. My brief review of the alterations http://www.youtube.com/watch?v=q8EOnbmqvZ4.