If you've been to an Apple Store and noticed the displays above the Genius Bar then you'll immediately see the resemblence. The display in the Apple Store shows how many people are in the queue and rotates through helpful keyboard shortcuts and other hints.
I can't believe MS even made theirs with an Aqua-like background. Good thing for them Tiger is coming out so far ahead of Longhorn, it'll give them time roll-in the good stuff in time for a 2007 launch