Check out the [recording of my Introduction to Play Framework at JavaOne 2012][1]. If you want to try Play Framework on your own you might want to start with my [Play2torial for Java][2]. There you will walk through all the major parts of building a modern web app: Models, Controllers, Views, Tests, JavaScript/CoffeeScript, Twitter Bootstrap, and Cloud Deployment. Let me know how it goes!

 [1]: http://blueskybd.vo.llnwd.net/o16/oracle/CON3845_mp4_3845_001.html
 [2]: https://github.com/jamesward/play2torial/blob/master/JAVA.md