Mice come in classes as well. E.g., I use a 69 Euro Apple Magic Trackpad (and disliked plain-old mice ever since). Compared to the cost of a good trackpad it is

Mice come in classes as well. E.g., I use a 69 Euro Apple Magic Trackpad (and disliked plain-old mice ever since). Compared to the cost of a good trackpad it is not that expensive. I personally don't need the added precision, but if I did, 20 dollars is not a lot for added productivity.