The GA announcement of MySQL 5.1 is close, so close that we're seeding the mirrors (I hope you noted Giuseppe's blog entry)! So it's time for Position 4 in the MySQL 5.1 Use Case Competition.
4. Volker Oboda (TeamDrive Systems GmbH, Hamburg, Germany): Using the Pluggable API for TeamDrive. See Volker's DevZone article, and the Wikipedia article on TeamDrive.
Thanks and congratulations, Volker! Your MySQL Community Contributor T-shirt is underway.