At the recent Tools of Change conference, author Margaret Atwood spoke on The Publishing Pie: an Author's View. Agree? Disagree? Make up your own mind; you can watch her presentation on YouTube.
Here is the original link on YouTube: http://www.youtube.com/watch?v=-6iMBf6Ddjk
More of the conference proceedings, some with slideshows/video: click here.
Found via this blog, which consistently covers a whole lot of interesting links about ereaders, digital books and the future of publishing and books.