Scott Crawford has written up his thoughts on the EJB 3.0 process.
Scott is an independent member of the EJB expert group, and his thoughts are very interesting.
I agree with a lot of the comments that he made in his various articles on the topic, however I do dissagree (of course) with the following:
Since I am not a world expert on object persistence but I do want to do the right thing I listen carefully to these arguments. But I also try to take a step back and look at the big picture. A persuasive point for me is to consider the fundamental design goals of JDO and of the O/R tools. One of JDO