While the oral argument from Cross Medical Products v. Sofamor Danek, 480 F.3d 1335 (Fed. Cir. 2007) is somewhat dated, it is pretty interesting in regard to the doctrine of claim vitiation. Much of the discussion focused on vitiation, although the opinion said nothing about vitiation.
You can read the opinion for this case here: [Read].
You can listen to the entire oral argument here: [Listen].