soapui version 1.6 beta1 is now available. They write in that this adds "support for attachments (MTOM, SwA, Inline), Code/WSDL Generation (JBossWS, JAX-RPC, JAX-WS, XFire, Axis 1, Axis 2, XmlBeans 2 and JAXB 2), WS-I Basic Profile Validations, JUnit-style reports and much more."