I have used Blurb a lot and they have always looked good. I have used them for my own personal work including my daughter's wedding, and for an annual book project for my local Photo Club. Recently Blurb has been used for a book of photos that I took for a client. I have no complaints and haven't had any from those who have ordered copies of the books. Of course it all depends on what you put in to the templates and how good your proofing is, but that would be the same with any on-line printing. I did use Photobox some years ago for one or two holiday books, but I found that Blurb was more flexible and I thought they gave better quality. Things may have changed though.