I would like to contribute some positive feedback on ITAC's new Evolution trackball based on personal experience. I found that when recently my job demanded more computer time, my wrist disagreed with the workload...After taking a dose of my own advice and experimenting with the collection of mouse input devices we have in the Ergonomics Department, I found the Evolution solved my particular wrist problem! I especially like the features of the extra 3 buttons in terms of reducing workload on a person's hand and fingers and the overall shape of the trackball.
We introduced the Evolution trackball into our alternative mouse input device collection last winter. The Evolution trackball, along with the Mousetrak trackball give our employees some great alternatives to our SGI mouse!
Jane Hall Taylor
Ergonomic Program Manager
Silicon Graphics, Inc.