Did you catch the news yesterday? Amazon.com has raised royalties on sales of digital books for the Kindle to 70%. Yes, that's right the authors receive a 70% royalty... and they are making it easier for authors to sell digital books from their websites. There are some stipulations, but it seems to basically be a good deal for authors.
Here is a complete article on the topic and I'm sure you'll find more on line.
Have a nice day...