Originally Posted by stangri
Uhm, as far as I know not yet, still work in progress. And as far as I remember sync support has only been promised for the B&N store bought books, not the side-loaded content which kind of sucks (it would be harder but still possible to implement should B&N wish).
True, it is still coming, but I have no reason to believe it won't be implemented. As far as only syncing BN books, my understanding is that the same is true of the Kindle, which is fair enough. I have no expectation it will work on any ebook device with "sideloaded" content.