This article has a new featurette that was just released which is narrated by Geoffrey Rush as Barbossa.  It shows some of the behind-the-scenes footage, some actual film footage, and some video of Walt Disney talking about the new POTC ride at Disneyland back when the ride was first introduced.

http://www.filmshaft.com/new-pirates-of-the-caribbean-featurette-washes-ashore/