I would leave it without acceleration. Technically, mice shouldn't have acceleration patterns, as zero-order input devices work better than first-order devices. It's one of the worst usability ...

As wonderful as Mac OS X is, it has a grave defect that can have an immediate adverse impact on the computer’s usability: the way it translates mouse motion into pointer movement. For many users, ...

There are several tools and utilities available for managing the acceleration curve in OS X, which can help you customize how your mouse behaves globally as well as for specific applications. Topher, ...