Rational has a new beta version of RAD available for you to try.
The IBM Rational Application Developer for WebSphere v7.5 Open Beta is one of the Rational software early programs, similar to the WebSphere Software Early Programs.
RAD 7.5 includes support for the newest standards, including Java EE 5, EJB 3.0, JPA, JAX-WS 2.0/JAX-B 2.0, WS-Reliable Messaging, MTOM, and SOAP 1.2. You can download the beta for free and try it today.
RAD v7.5 Beta