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A4 Tech X-750F

A4 Tech X-750F

A4 Tech's X-750F mouse pushes the resolution envelope even further, but we're not quite sure why. This laser mouse has a maximum resolution of 2,500dpi, 500 more than the next most sensitive mouse. A resolution button lets you switch between six different resolution settings, from as low as 600dpi to as high as 2,500dpi. With seven programmable buttons and an extremely sensitive laser sensor, this is technically a very impressive mouse. However, high resolution in a mouse isn't quite as useful as it sounds; when a mouse is too sensitive, you can hardly move your wrist. The X-750F shipped in late December and should be hitting stores soon. It will probably cost between $50 and $80.