I watched the trailer, and while I haven't read V for Vendetta, the story looked very interesting and intriguing.
That November 5th reference, is that about Spoiler:
Guy Fawkes?
I also Googled it, and on Wikipedia's site concerning Nov. 5th, the last entry in the Event category, is a mention that the Wachowskie Bros. released the last of The Matrix Trilogy on that date simultaneously around the world at 2:00 p.m. (GMT)
http://en.wikipedia.org/wiki/November_5
I wonder if they had someone edit that in for a film tie-in? (is that too out there?)