Plenty of free e-books in Mobipocket format show up fine on Kindle.
Granted the PDF converter seems to have some trouble with graphics PDF's, but for books the converter works very well.
Amazon can do a lot of money only from selling kindle, like Apple does with the iPod.
As glued to the net as we all are, there's vast quantities of content that is not available online.
A revolutionary portable reader that wirelessly downloads books, newspapers, magazines and blogs to a crisp, high-resolution electronic paper display that looks and reads like real paper, even in bright sunlight.