deskthority

Vertical mice sacrifice speed and precision for comfort. Personally, even after using a vertical mouse for months, when I switched back to a flat mouse, I was both faster and more precise with my clicking, but less comfortable. However, perhaps my experience is anecdotal.

I agree to you, my ...

I’ve used mouse (obviously), vertical mouse, finger trackball, roller mouse (a little).
I will agree to the above scoring, my current daily driver is finger trackball.
Thumb trackball looks like a good move for the mouse user, but I red the stories about severe thumb joint disorders that its users ...

Reading this old thread from the beginning tells me that it is not much changes happened in this area in 6 years.
All goodies promised in the article are still nowhere.