Right now, it doesn't create URIs - you write the dispatch table yourself (like web.py). I might keep it that way, or I might make them optional attributes of components (not all components will have URIs, some might use more than one).

As for raw data, right now, I'm only outputting HTML, but JSON, XML and RSS are on my to-do list. Making a component that spits out something other than HTML won't require anything special.