I went through the commentaries back in 04-and have not watched one of those discs since. Tempted to do so now. Kershner was the only commentator of note, and although I have respect for Burtt-he seemed to be the only one talking much. The commentaries on Jambe Davdar's Building Empire/Returning to Jedi are fantastic and informative-are those from the 93 Definitive LD set? I wish I could listen to Ken Ralston talk about the flying potato in the ESB asteroid chase instead of GL: "oh, and here is another little thing I did so there you go.". No effort was made to make these interesting or informative in the slightest. Most fans already know exactly what they are saying anyway. I got much more mileage out of the bonus disc with Empire of Dreams. (only reason to have original box set!)

And I agree with GL not liking loss of control on ESB. Kershner was his former teacher (weird!) and did things his way. Marquand seemed to be attempting to do so, and in behind the scenes footage GL is right there over the shoulder "advising".