Have you seen the trailer in the theater? What movie was it attached to, and what was the audience's reaction?
ETA: I just watched the trailer again for the umpteenth time. It still gives me a rush, and I've already seen Serenity. Btw, it's outstanding. Actually, I can't find a word in the English language that expresses how awesome and shiny this film is. So I'll just keep saying awesome and shiny. :)