Harmy said:

Yeah, I think it would have been fine in TDK and TDKR, if it was just different AR for entire long scenes, but I also found it pretty jarring, when the AR changed for just one shot (usually establishing shots) - in those shots, if they just cropped them to 2.35:1, they'd still get the extra resolution without the jarring AR change.

I've also just recently seen Von Triers' Nymfomaniac, which also has shifting AR, which I felt was pretty jarring (although I guess that may have been the point of it in that case) but it was made even more noticeable by the fact, that on a 16:9 TV, insted of having more picture information on top and bottom, for the 16:9 scenes, like in Nolan's films, you got a windowboxed video in the center of the screen, which was of course more faithful to the way it would have been in a cinema, but I really didn't like it for home viewing.

And I've seen Gallaxy Quest at least three times and I don't even remember any AR chages.

That's probably because the one that made it to home releases is hidden in plain sight ;)