Not sure if this is what you're looking for, but there is always this:
http://en.wikipedia.org/wiki/Angel_Links
That said, I'm not sure how the show would continue. Unlike Western TV shows, a lot anime and shows in Japan are intended to only be on for the duration they are. Outlaw Star seemed to pretty much wrap things up tightly IMHO and I honestly don't know where they could go after the mindtrip of the final episodes.
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"One of these days, I'm gonna find a loophole my friend." - Man in Black