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Title: Best Trackball mouse I've used to date
Review: I've been using trackballs for the last 18 years, and this is the best one yet. I've used most of the trackballs that Microsoft and Logitech sold. I've recently had issues with Logitech causing USB errors and occasionally not working. To solve this issue I decided to try the Kensington Expert Trackball.Some of the reviews are very old, so here are my current observations.1. It feels as solid as a rock and the wrist pad works great.2. The big ball works better and is smoother than any trackball I've used. (It takes a little bit are use to break in, but when it does, it's as smooth as butter)3. The scroll wheel works great (it does make a little noise, but who cares)4. The Trackballworks software is effective and very easy to use. (Just download and install)5. My USB issues are gone, and the trackball and software works perfect with my Windows 7 system.
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