http://www.oracle.com/technetwork/community/developer-day/virtual-dev-day-rea-369353.html
You will find there presentations by people like Frank Nimphius, Grant Ronald and so on. The presentations are covering topics like:
- From Forms to ADF - When, Why, How?
- Rich Web UI made simple - an ADF Faces Overview
- ADF Bindings Internals
- Introduction to Developing with Oracle WebCenter
- and much more