DVD Extras/Documentarys about Colour Grading Process in films/tv
 

Well I'm currently researching for my dissertation which I'm going to be looking at colour within film specifically colour grading (or correction if you wish).

I'm looking for DVD Extras or Documentaries that go into this, so far I've got:
Se7en (Bluray)
Panic Room - 3 Disc Edition
King Kong - 2 Disc
Lord of the Rings - Fellowship of the rings Extended Edition
O Brother where Art Tho - 2 Disc
Cold Mountain - 2 Disc
Blade Runner (BluRay)

Now some of these might not mention alot about colour grading but these are the ones I've got so far, I was just wondering if anyone else has seen some dvd extras/features that talked about colour grading/correction?

Thanks