The trailer for V For Vendetta, the new Wachowski brothers film adaptation of Alan Moore’s comic (which is insanely great, btw) is up and it is here:
http://vforvendetta.warnerbros.com/trailer.html
The trailer looks great. On a side note, Alan Moore has completely distanced himself from the movie, to the point where he broke up with his publisher DC Comics over the misstatements and problems with the script. Check out this.