To make sure you're up-to-date with J2EE technology, here are a few of the most recent items Sun has put out or is planning to put out:

* EJB Benchmarking spec for assessing performance
* J2EE Connectors for legacy integration
* J2EE COM Bridge
* J2EE Reference Implementation for Linux

See the following links for more data:

J2EE COM Bridge:

EJB Benchmarking:

J2EE on Linux: