Amazon: Logitech Trackman Marble Trackball Mouse – …
On this Trackman Marble, the rolling of the ball/marble is not smooth and feels like there is grit or debris in it. (There is none that I can see). The plastic edges of the "mouse" are sharp, and the plastic and buttons feel really cheap. I should have shelled out more money and ordered the "CST2545-5W(GL) (L-Trac Glow Red) USB Wired ...