Thanks for the tip, I'll be on the lookout for a loose on ebay when the time is right to switch him out so that he looks up to par with the rest of the Joes forthcoming.
Duke and Anakin do not have the same body. Anakin has the 1.1 and Duke will have the 1.2, so Duke indeed appears to be the first with the new Pro. Firefly will have the 1.1 same as Anakin.