I used one of those for almost two years at work. It took a while to get used to, but by the time I left it was equivalent to the my scroll mouse at home. I don't rave about it, just thought it was fine to use. My only complaint would be that you don't have a lot of control over the scroll speed.
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I used one of those for almost two years at work. It took a while to get used to, but by the time I left it was equivalent to the my scroll mouse at home. I don't rave about it, just thought it was fine to use. My only complaint would be that you don't have a lot of control over the scroll speed.