Thanks for the help. I did end up getting the 2011 edition and have enjoyed looking over all the different roles.
I've been afraid that we wouldn't get a chance to play very often since so many players are required to play it right, but we did get in a few games yesterday with eight players plus the moderator. It was pretty fun. The score was perfectly balanced with two werewolves, but the villagers won both games. It seems that when two people are knocked out each round, it goes pretty quick.
If getting enough players is an issue, note that you can play the game with a minimum of five:
Minion (Evil Villager)