Domino Tech School is a series of webinars concentrated around Domino V10. It has been announced on January 8th this year. Since than there were two sessions, “Domino Query Language” and “Upgrading to Domino V10: Best Practices”. If you have missed one of these two Sessions, don´t worry, you can still watch the recording, but you still have to register.
All of the Sessions were great so far, I like how fast the recording is available, minutes after the Webcast is finished. And it contains useful Information for everyone, Developers and Administrators. So make sure you check it out.