I've used the Mighty Mouse, but not had any problems with the scroll tracker. The Magic Mouse is definitely better - no moving parts (except for the click)! I get so used to it at home, that sometimes I expect my PC mouse at work to do the same things - what a letdown.
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"I am likely to miss the main event, if I stop to cry & complain again.
So I will keep a deliberate pace - Let the damn breeze dry my face."
- Fiona Apple - "Better Version of Me"