Mighty Mouse from Apple has scroll ball coolness

Apple - Mighty Mouse
wow wow wow, now if only it came in colors...

Mighty Mouse features the revolutionary Scroll Ball that lets you move anywhere inside a document, without lifting a finger. And with touch-sensitive technology concealed under the seamless top shell, you get the programability of a four-button mouse in a single-button design. Click, roll, squeeze and scroll. This mouse just aced the maze.