I've never looked at a documentary reel before, but it worked for me. The only thing I would change is to make everything shorter... including the opening titles. I've always been told to keep a reel short. For example, let's say someone needs an editor and you submit your reel for review... the viewer may have many reels to review, so keeping yours short and to the point helps them out and may ensure they watch the whole thing. I did find myself skipping ahead now and then.
Stephen Eilers
Director - Editor - Visual Effects Artist
Please comment on my reel at
http://forums.creativecow.net/readpost/173/857764