Best buy has Assassin's Creed PS3 for $39.99 + tax in store.
Amazon has it for $39.99 with no tax and free super shipping.
PS3 version
http://www.amazon.com/UBI-Soft-Assassins-Creed/dp/B000P46NMA/ref=sr_1_1?ie=UTF8&s=videogames&qid=1202820028&sr=1-1
Xbox360 version
http://www.amazon.com/UBI-Soft-Assa..._6?ie=UTF8&s=videogames&qid=1202819856&sr=1-6
Amazon has it for $39.99 with no tax and free super shipping.
PS3 version
http://www.amazon.com/UBI-Soft-Assassins-Creed/dp/B000P46NMA/ref=sr_1_1?ie=UTF8&s=videogames&qid=1202820028&sr=1-1
Xbox360 version
http://www.amazon.com/UBI-Soft-Assa..._6?ie=UTF8&s=videogames&qid=1202819856&sr=1-6