We now have a new Java EE 6 product in the family - HItachi uCosminexus Application Server V9.0. They provide full Java EE 6 platform compliance.
The detailled tested configuration for this product should sound pretty familiar to readers with components such as EclipseLink, Weld, and Metro.
This brings the total number of Java EE 6 compliant application servers to 14. Which one are you using for deploying your enterprise applications ?