Anyone who appreciates British villains will take pleasure not only in Fiennes but in Jason Isaacs, as his ice-cold functionary Lucius, and Alan Rickman as Snape. Actually, Rickman plays a good guy, but fortunately it seems that someone forgot to tell him (from a review
here).
Not, they didn't forgot, that was exactly the point -- and I love AR for every second of it 8B. And I still have to wait until Thursday to watch the movie ...
Possible spoilers in the article linked.