"Figuring out what makes a good gaming mouse is always difficult. The mouse is definitely one of the most varied input devices around for computers. You find all sorts of different types of mice on the market for both gaming and regular usage. The biggest tenets of what makes a mouse good appear to be comfort and reliability. Enter the Microsoft Sidewinder X5 gaming mouse. This mouse goes for comfort by designing the mouse with the contours of a human hand in mind. It includes 2 customizable thumb buttons and a Vista shortcut button. It also features a laser tracking sensor that is capable of precision up to 2000 dpi with 3 custom dpi settings that you can change within the Intellitype software. We at Benchmark Reviews will give you the low down on this mouse."