The 790's projector was bright enough to see detail even in a sun-lit room, but we could even see using it to watchamovie (with an external speaker), assuming that we're able to set up shop in a pitch-black environment with a suitable surface.
And no matter how long it runs, it's advertising that nearly guarantees the audience will be back in theaters -- to seea new movie, and watch the movie trailers that precede it.