Meet the Rockstick 2: a vertical mouse with an ergonomic design that lets you click with a small movement of your wrist and hand. By rocking the mouse to the right and left, you can take the pressure of clicking off your fingers. The mouse has two interchangeable grips for left- and right-handed users. It has 800, 1700, 2500, and 3400 DPI modes.
The above video shows the Rockstick 2 Mouse in action. It will be available in wired and wireless versions.