David, why do you assume that having commenetary tracks will ALWAYS lower the audio/video quality? I doubt commentaries use up that much space. Of coures if we want an answer to how much space they use, we can ask Mr. Prior. (In case you didn't know, he is a DVD producer who has done, among...
Steve: the original post says nothing about DVD commentary being diluted by having several. David seems to be complaining that, since he's made the decision to watch/listen to ALL the extras on his DVDs, he could get through them faster if there weren't so many
AND
Three or four commentaries...