The Razer Imperator has a max 5600 DPI sensor, and 7 programmable buttons. This mouse is optimized for comfort, one feature of which is that you can actually move the side buttons to fit where your thumb is.
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Pro Dual sensors (laser & optical)
The Razer Imperator offers a dual sensor for optimal sensing on any surface.
Pro Adjustable side buttons
Users can adjust the position of mouse buttons 4 and 5 to better fit their thumb placement.
Con Suffers from double click issue
After a bit of use the mouse might start experiencing a double click issue with its buttons.