Quote Originally Posted by DarthEnder View Post

Not that they've said.

In fact I think they said it was the Sword of Kusanagi. Which is Orochimaru's sword, even though Sasuke's looks nothing like Orochimaru's.
I think he means Sasuke has one of the seven
swordsmen under his belt - ie Suigetsu. (lol, under his belt :P )