You joke, but I watched "How Did They Ever Make a Movie of Facebook?" (a making-of doc about The Social Network) and it blew my mind a little bit seeing the process of test-shooting the wardrobes and makeup.

Ah, here's a clip online: http://www.imdb.com/video/imdb/vi1594268185/ ...skip to 6:45

There's a quick cut in there where there's a table with what looks like a hundred pairs of watches.

Thanks for mentioning that. I didn't know about it. Ended up watching the whole thing tonight. I found it fascinating. Great to see what goes on behind the scenes..

If anyone else has documentaries about film-making that they can recommend, I'd love to hear your picks. Thanks.

The entire second disc of The Social Network is filled to the brim with making-of stuff of similar caliber. I know I'm never going to be a filmmaker, but I really get sucked into that sort of thing.

The super mega edition of Blade Runner (with the three or four different cuts) also has a very, very expansive set of documentaries, which cover not only the making of the film (hiring writers, chasing down financing, creating the effects, etc.) but the arduous task of making the re-release. The range of people involved that they talk to goes from the riggers and everyday film crew to the financiers who seemingly didn't much care what it was about so long as it made money.