Rowhouse is a great addition to Lawrenceville. They play older movies which makes for a great vibe. If you wear a good costume related to the movie you can even get a discount. Snacks are great, better quality than your run of the mill theater. Plus, you can bring in beers or cider from Atlas to the show. They'll even chill the bottle for you.
Tl;dr great spot for a night out in the neighborhood. Grab a beer from Atlas or the concession stand and have a fantastic time!