I was very excited to read that LR 4 had a book design module, but after reading the review I realize that the book module is worthless for me. As a wedding photographer, I design professional albums all the time, and being able to design an album within LR would be a huge plus. Unfortunately, it looks like this module does not allow me to design the kind of albums I need.
It looks like it is set up to design Blurb Books, which would be fine if it allowed you to do certain customizations to design other albums/books. This is my wish list:1. Custom sizes so you can design any type of album.2. Ability to do custom page layouts that can be saved as templates.3. Ability to put stroke on images4. Ability to draw guides to designate trim lines, gutter, and safe area.5. Ability to output to jpg, and psd. None of the album companies I've worked with accept pdf's. They only take jpgs.6. Ability to organize your custom layout templates.