I use the rollerball type at work. While not as fast or as precise, it is close once you get used to it.
mouse: rollerball or "moving" mouse?
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The trackpad (on my Mac laptop) is just too slow for blitz. So I need to buy an external mouse.
I'm wondering whether to go with a rollerball mouse, where the hand is stationary and only the fingers move, or an old-fashioned "moving" mouse.
The rollerballs seems to be more ergonomic, which is good, but I wonder whether they're fast and precise enough for blitz. Have you successfully used a rollerball to play chess online?
Thanks.