Jason Hunter has published an interesting article about new features added to servlet 2.5. The focus of this article is like most of the JEE 5 goals all about simplification, easy of use, this is done by leveraging Java5 annotations (resources refences, life cycle support,...), some improvements around the web.xml, and cross context sessions support.
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.
This new Java World article compares the different Java scripting languages (Groovy, JudoScript, Pnuts, JRuby, Jacl, Jython, Rhino, and BeanShell), and list the issues that you have to select the good one...