Awesome! I got added as a late BoF for Test Driven Web Application Development. It's scheduled for Wednesday 7:45 - 8:45pm in Cabana 1. Stop by and check it out, I'd love to hear who else is test driving web applications (either using the humble dialog, Model-View-Presenter approach or traditional NUnitAsp dealing with webforms), or doesn't think they can test drive web applications.
You can read what Scott Bellware has to say about UI testing with the Model-View-Presenter.