Thanks Strider, you explained my point better than I could.

Something else to consider: In Orochi's legend, it mentions how he is responsible for Kyuubi's unleashing on the world (or something like that). It would be a great plot twist if it was actually Orochimaru who was behind Kyuubi's attack on Konoha. We do know he has a passion for seeing things "in motion" and a terrible grudge against Leaf Villiage.