This webinar will teach you how to use the new interface. Ariel Bardin, Product Management Director for the new AdWords interface, will guide you through the new interface. You'll learn how to manage your account using the new interface and make use of the new features.
You can even submit questions prior to the webinar for Google to answer. To submit your question, go over here.
The previous webinar was successful, so if you missed it, try not to miss this one.
Forum discussion at Google AdWords Help.