A friend of mine found this
very thorough review of various photobook companies. It might be useful if you're thinking of doing one of these on your own. It's 15 pages long but here's the summary page:
http://www.digitalhomethoughts.com/news/show/97676/14/1/15Cliffs notes:
50 pages or less: MPix or AdoramaPix
51+ pages, on a budget: Blurb or Inkubook (I know I've seen Blurb mentioned on boards here).
51+ pages, spending Gs: Photobook Canada or MyPublisher

1st year anniversary in Victoria with a killer whale topiary!