We've pre-packaged SOAP libs and wrappers in wXf and created a couple modules to demonstrate this functionality. The framework is undergoing beta testing and improvements before release. Also, we are adding a couple web specific libs prior to release (or at least trying).
Anyway, here is a video that demos the two modules mentioned above.
wXf - WSDL File Enumeration, SOAP Request from cktricky on Vimeo.