The Logitech M570 Wireless trackball is sexy, smooth and smart. The M570 features a wireless connection, thumb-operated scrollwheel and 5 buttons including Back/Forward. The design might be a bit small for large hands, but overall, this is a very good trackball and currently the best selling trackball.
The Logitech Cordless Optical Trackman is a strange beast, a one-eyed beetle from outer space that could scurry away from your desk any moment. Once you realise that it is just patiently waiting for your orders, you put your palm on the extra smooth surface (it’s really nice and soft) and discover that this serious trackball means business.
Blue Sun Innovations, LLC announced the launch of an Indiegogo campaign for the world’s first computer trackball designed for gaming. This “GameBall” and was created specifically for gamers who prefer the use of a trackball over a traditional mouse.