Well, against my better judgment, I've posted the little jar I use to make T5 services serve RESTful web service requets. It does this by shooting a RequestFilter into the pipeline that you contribute your service classes to via the IoC.
The code and some documentation are at http://code.google.com/p/t5-restful-webservices/ This is ALPHA software, allowing only one method in a T5 service to handle RESTful web service requests. I'm planning to have the beta version include an annotation you can stick on any IoC service method that will restful-web-service-enable it. Feel free to flame. Bill in Austin