If you are willing to invest a bit of your time I have a way for you to get into some upcoming Oracle conferences for free.
All you need to do is send them an abstract and present a session.
Right now the call for papers to both the ODTUG (Oracle Development Tools User Group) and IOUG (International Oracle User Group) conferences is open.
They would love to see more JDeveloper and ADF customers posting sessions and sharing their experience.
More info here:
Note that the deadline for both is very near.
Need ideas for sessions:
Give tips and tricks on how to structure a JDeveloper project
Provide an overview of how to get a development team up to speed with JDeveloper
Show some unique tricks you did in your application
Demo some unique integration of technologies you used
Or basically share the knowledge you have gathered from your development experience.
So go ahead - get in with the cool crows (or at least with the presenters crowd).