The classic trackball mouse belongs to a niche crowd, but after using one, it's hard to go back to the more mainstream point-and-click method of navigation. Logitech has introduced a new wireless ...

I prefer mice to trackballs, but if you’re a trackball enthusiast, the new M570 from Logitech might be one to consider. Besides being designed for all day comfort, this trackball will run up to 18 ...