I just wanted to update you on some personal experience with the Blurb book publishing service. After careful consideration, my wife decided to create a book of black and white architecture images she has taken in the Ottawa and National Capital region. She easily downloaded and installed the Blurb book creation software, BookSmart. After a few evenings of tinkering with the various settings offered in the application, she published her book, and ordered a copy for herself.
Five business days after her order, a very well packaged book arrived from Blurb. Having the physical specimen in hand allowed me to determine that the overall quality was excellent. Although my wife had selected a lower quality paper to reduce the final product cost, the quality of the paper that was used was excellent. The print reproductions were excellent, but my wife also determined that the picture quality might be better if she had used better source material during the creation process. This was to be an experiment in the process of creating and ordering a book from Blurb, and not a final product.
From what I have been able to observe about the process, I can safely say that I highly recommend the use of Blurb for the creation of any book idea you might have. You will get a fantastic product that you will be proud of!