The B&N DRM system is, as far as I can tell, going to be built into Adobe's ePub reader SDK.
the new SDK handles B&N's DRM and if
Sony use the new SDK and if
Sony release a firmware upgrade for the 505 that includes the new SDK, then the 505 will work with B&N ePub.
Originally Posted by mdibella
I am just guessing here, of course, but I suspect Sony will end up implementing it because, let's face it, Sony sells hardware. Sony's bookstore has never really challenged Amazon in its selection, and with B&N entering the race, I can easily see Sony building readers with multiple compatibility, in the hopes that people who shop in many places will see Sony readers as their 'universal' reader.