Excerpt: Great product - really smooth and precise.
I find I need to get a wrist rest. It is shorter than my previous one and my wrist does not rest on the unit but on the desk and I find that slightly uncomfortable.
Excerpt: I find a stationary track ball more comfortable than a traditional mouse for extensive time at my computer. (A mouse requires more real estate for movement.) Speed and precision are easily adjusted. The ball is larger than most and means it's easy to move the pointer exactly where you want it.
Excerpt: The large ball is great for rough or precision use. It's operation is smooth and quiet. When it's used by people whose hands shake, turning down the speed in the TrackballWorks config panel, make this the ideal tool for moving your pointer.
Summary: Don't eat while using this mouse - the scroll ball is unforgiving to sticky residue. If you do get it dirty, it will stop working very, very quickly. I have used compressed air to clear the gears and get the scroll ball working again, but once it's dirty it is difficult to clean, since you can't...
Pros: This mouse is very comfortable. It is quite a bit heavier and more solid-feeling than the usual desktop mouse, and operates very smoothly, and the rubber pads on the side make it even more comfortable to hold and use. The batteries will last several months before having to replace them (standard ...
Cons: The scroll ball on this mouse is finicky - very sensitive when it works (which is actually for a few months of heavy use, then intermittent), and is somewhat easily jammed. If this mouse had a scroll stick/mini scroll wheel instead of a ball, I'd get one in a heartbeat.