DVDs with subtitles for commenaries.
 

I was wondering what movies/TV shows have subtitles for their audio commentaries. The only time I noticed it was with Knocked Up, and I discovered it by accident, fiddling with the audio buttons. It's a nice touch, if you have many people in the room, and just for completeness sake.

And on the subject of commentaries, when a movie such as Knocked Up, or Beerfest has an unrated and a rated release on DVD...are the commentaries different for each one?

Many recent Disney, Sony, and Universal releases in the US have English subtitle captions for commentaries, along with the other bonus material too.
But it's hit or miss, you won't know that its there unless you hit the subtitle button.

For most of Europe, the majors like Fox and Paramount do it too.

Sometimes. Anchorman is one.

"Kyle XY: Season One"... it kinda bugs me because I like to watch the movie with subtitles when I'm listing to the commentary, but couldn't on that release...