This may be one of a few EJB3 applications commercially deployed on the web ,so far. It is still in the testing phase. http://www.247roadservices.com.au
It is deployed at Alacartejava and runs in JBoss-4.0.3, their EJB version. Once the container was set-up everything was straight-forward. It was developed with the Eclipse-3.1 JBoss M1.5 IDE and tested in RC2. Someone else did the graphics.
The payments are only dummy payments at present, but they work.