And the replacement magic mouse doesn't do that?
did you exchange the mouse within the 30 days of buying the magic mouse or after the 30 days?
did they give u a new one or a refurbished one?
Here's what happened:
I bought an iMac, 14 days later hard drive died completely random (mouse was perfectly fine), I went to apple and they gave me a new computer (because I was within the 30 days), this second one came with the broken mouse (not broken, but it was unconformable trying to play with the touch functions, I'm sure you know what I mean).
I came to the apple store the next day with just the mouse, I explained that this was the second time I was there for a replacement and I just wanted to get a new mouse instead of brining all the computer again for another replacement (27" is kinda heavy), they gave me the mouse of the computer I returned just a day ago. So if you are within your 30 days my guess will be you can change the mouse, but they will give you a refurbished one.
Hope this helps.