Blurb, a free self-publishing option for authors, have just released the latest version of their Booksmart software. The 2.5 version of Booksmart includes new design and control features and improved stability of the application. Blurb have also introduced much cheaper flat-rate-shipping and together with the new software improvements, it looks like another significant step forward. You can get the full details here.
Blurb Release Booksmart 2.5 & Flat-rate-shipping

Sounds interesting, though I have to wonder: there are so many self-publishing options, and none of them stand out as a household name just yet. How does one choose?