The heavy rain made it depressing and wet, and the NYPD were pretty incompetent. They spent most of their time trying to figure out how to keep traffic moving despite big crowds, rather than dealing with crowd control in any intelligent way. We left as they started arresting people and pushing against them. We refused to move into any pens, and after seeing the Newsday photos, I'm glad.
James's sign, suitable for a queer anti-war protest, quoted The Wizard of Oz. The other side said, "Toto Knew."
Newsday has a good article. Don't miss the slideshow with photos, including nice moments like the police using a barricade to shove protesters.
After reading this Reuters story, I feel like NYC is rather amateur. There were over 1000 arrests in San Franciso.