Not sure if we are focusing on the remediated books themselves or the platforms and underlying technologies used to remediate them. It seems worth mentioning some other platforms that might make a roundup of multimedia ebook platforms. Where Eastgate’s Storyspace focuses on elaborate structure management, Night Kitchen’s TK3 emphasizes presentation of multimedia content (samples). Also worth considering are the many programs inheriting the legacy of Hypercard (such as SuperCard and Revolution) and on into e-learning production software such as Macromedia Authorware, which engineers learner choice through a “flow line.”

Also of note: the if:book page-card stacks are a javascript / XHTML mockup - however I believe that their end goal is to make the interface not a one-off, but a javascript-powered skin for a CMS that will manage text and comments as a book is being written… if:book has chosen Wordpress. I wonder if they would be interested in sharing their card-based interface either with skinning artists or writers interested in using it to power other content….

Thanks so much for mentioning NXTbook and for pointing out the Streaming Media Guide. We’re always encouraging our clients to use as much of the functionality of our product as possible and we were thrilled to see Streaming Media come up with some really great applications.

Marcus