Apple Thoughts: Get Your Momentum Back!

"If you happen to have a new Magic Mouse running on OS X 10.5, you may be disappointed to find that it lacks a feature you get with Snow Leopard: momentum scrolling."

Momentum scrolling is when you flick your finger like you do on the iPhone, and on the screen the list or page scrolls and eventually comes to a stop. To turn on this nice feature, follow the steps in this article which will require you to use Terminal. As always, be very careful, but this seems like a pretty simple fix to me.