Star Rating Question Component.
Here's a new Flash Component Question for Publisher Edition - it allows the user to give star ratings. Just click on a star, and the stars light up to that point. It's intuitive, easy to use and makes a nice change from a likert scale. It's mostly useful for surveys, but it might have applications in test and assessment too.
Here's an online example, the example source (.qwf), and the component source (.fla).