. If you buy yourself a new mouse for Easter, it would not matter. Plus, you will have a new mouse. .
While Apples Mighty mouse isn't cheap, it works really well under OS X (obviously) and XP (VM as well as conventional installation). And is a perfect fit in the aesthetics department
1) It's not wireless 2) I've got one here in my desk collecting dust because the scroll ball gets gummed up so easily it's virtually useless. I'm think one of those ones from MacMice.