Mike Keith, Oracle Toplink architect, persistence guru, and member of the EJB 3.0 Expert Group, gives an, in his last entry an overview of EJB 3.0, in the context of the comparison with Hibernate and especially explaining why the statement that we sometimes hear "EJB 3.0 is Hibernate" is wrong.
I have been working on the JavaOne Oracle Demo Ground where I was demonstrating OracleAS Portal 10g. I also attend several sessions (EJB 3.0 & CMP Persistence, J2EE 1.4 Web Services, AOP) and Thomas Kurian and James Gosling keynotes.