You know we’ve come a long way as a civilization as soon as you can get this kind of information about the price of a board game.  (And you can tell a lot about that civilization by how often it changes the price of them.)
CamelCamelCamel will tell you how much of a deal you are or are not getting, historically, on every item on Amazon.  They also cover Best Buy and a few other retailers too.
[via BoingBoing’s Cool Tools]