According to the Washington Post, Amazon Kindle has now added self publishing deal that provides bloggers to receive incremental subscription income through their RSS feed. But Amazon has a 70 to 30 split on the take.
http://www.washingtonpost.com/wp-dyn/content/article/2009/05/14/AR2009051402000.html
From the Star ledger, Is the Kindle the end of print
http://blog.nj.com/jerseyblogs/2009/05/is_the_kindle_dx_the_begining.html
There is competition for Kindle to consider from the UK
http://www.pcworld.com/article/164869/budget_ebook_reader_debuts.html
Amazon has release a bigger version of Kindle
http://www.boston.com/business/technology/articles/2009/05/11/will_bigger_kindle_be_boon_for_e_readers/