This Konfabulator widget tracks the iTMS countdown to 100 million. It polls Apple's site every 5 minute to update the count. Click on the count to trigger an immediate update. Open the preferences panel to change the thousand separator character.
What's new in this version:
Color changes based on the count modulo 100,000 : >0 blue, >50,000 green, >75,000 orange, >87,500 yellow, >93,750 red.