I’ve been exploring http://servicestack.net recently and redesigning our systems architecture around REST principles. It’s looking good, but a lot to learn!
Additionally the service that’s being developed will be self-hosted .NET (no IIS!) to help making testing and automated deployment easier.
So gotchas I found already:
If you want to do SSL then you need to read this article http://blogs.msdn.com/b/jpsanders/archive/2009/09/29/walkthrough-using-httplistener-as-an-ssl-simple-server.aspx – I’m still working on it!