I don't think any of my Amiga mice ever broke and they all still work. I have quite a few of the original angular A500 mice which are still as uncomfortable to use as ever. I also still have the original A4000 mouse which was quite nice, and also a few others that I forget the make or model of without going and looking. The third party one I use with the A4000 is nice with microswitched buttons. I will see what make it is when I use the system next.