Nino Letiner has stuffed one on his server. This will run out of bandwidth eventually though.
I figure this is the best way to judge it, actually take a film and grade it yourself. It's been output as 4K ProRes, so not quite original but as close as you're gonna get.
I don't see myself buying (!) or really even hiring one any time soon, but it's nice to see what kind of video we can expect in cheaper models in not too much time.