Christopher Walken as Han Solo would of been awesome, of course the movies would of laster about two hours longer because of the way he talks. I did not know that Frank Oz also voiced miss piggy, very interesting. I think most of the other things on this list I already knew about:)
@Nathaniel7 They should have titled it: 17 Things You Already Knew About Star Wars ;-)
Han Solo: "The Sith are Jerks"