I don't know if this affects the kindle as I would think it would

Tuesday, February 17, 2009
Adobe PDF and EPUB will be present in Bookeen products
Bookeen has signed an agreement with Adobe to license the Adobe Reader Mobile SDK for its products.
The new software engine delivers support for reflowable PDF technology, Adobe’s content protection technology, as well as the EPUB file format, an XML-based eBook standard with broad support from the publishing industry.
The Bookeen products will be compatible with Adobe Digital Edition Desktop application (compatible both on PCs and Macs) enabling users to acquire and download their content from a variety of sources.
Both the PDF and EPUB support will become available through a software release scheduled in quarter 1 2009, more details will follow later.