Bookpitch.com is actually a very fine resource site with great content for writers, editor and publishers. I don’t know how I never found this before but it is well worth checking out, especially the PublishersExpo section.
It looks like the Washington Post woke up one morning and discovered online publishing in the form of lulu.com and blurb.com. In their defence they did host a web chat with Blurb founder Eileen Gittins, which had I known about in time I would have loved to see/read/engage with. Read their rather breathless story.