Hello from Anaheim, California, site of the National Speakers Association Convention 2011. For my money, the National Speakers Association has the best tips pragmatic tips for promoting authors, consultants and, of course, speakers.
If you have a book, make a PDF of your table of contents and first chapter. Use that as “free report” sample on your website. People want to sample before they buy.
The discussion at the publishers and authors special interest group meeting was that ebooks now outnumber traditional books. We have reached the tipping point (I heard the same from publishers at Comiccon last weekend in San Diego.