IBM developerWorks has released a 4 part series by Brett McLaughlin about
data binding. The first two parts have been released.

1st article: Find out what data binding is, how it compares to other methods
of handling XML data in Java applications,t=gr,p=XML2J1

2nd article: How to generate a Java language interface and implementation
from the XML data constraints.,t=gr,p=XML2J2