Several weeks ago, Logitech launched its new gaming mouse called the Logitech G502X, a three-tiered gaming mouse that can come wired, wireless, and even in a so-called Plus variant, that utilizes a special gaming sensor for "precise down to the sub-micron high-precision accuracy with zero smoothing/filtering/acceleration for high gaming performance."
The G502X is $79.99, the G502X Lightspeed is $139.99, and the G502X Plus is $159.99.