I recently read V for Vendetta and dare I say I liked the movie more than the novel. Perhaps it is because I saw the movie first or maybe it is because the novel was one of Alan Moore's earlier works. Either way, I feel that the movie told the story of V quite eloquently. Obviously there is the fact that without the novel there would be no movie but it should be noted that of all the movie adaptations of Moore's work (remember the V for Vendetta movie came out before the Watchmen movie), V for Vendetta was the best. I really liked the dialogue in the movie and was expecting (and was disappointed when it wasn't there) the long, albeit kind of silly, alliterative monologue that V delivers. I think it had the right effect. I was also surprised about just how crazy V was in the graphic novel that was a little down-played in the movie.
Ultimately, the novel was amazing. I thoroughly enjoyed it but I particularly enjoyed the recent interpretation of the story in cinematic format. I feel the movie captured all the themes of the novel with quite a few aspects of the story altered but still packing the same punch intended to be delivered by the novel.
Well done, Wachowskis. The Matrix sequels are the only blemish on your career. Keep up the good work.
Yours valiantly, vehemently and always vibrantly,