The PowerBuilder Developer Center's own Matt Balent has authored two new instructional videos to add to your library and to the library of anyone seeking to reach the intermediate level of PowerBuilder development. Thanks Matt!
SAP D&T Academy - How to Implement Object Orientation: Polymorphism in PowerBuilder
http://www.youtube.com/watch?v=y3xXWVxmdEY
SAP D&T Academy - How to Implement Object Orientation: Inheritance
http://www.youtube.com/watch?v=BMNOyufvvU0
Certainly let us know if you'd like to submit a proposal for a topic that you'd like to record yourself.