At the very edge of Adobe CS5 technology is Wallaby, a new technology that converts Flash FLA files into HTML. This video covers the basics of Wallaby. To download and use this software, visit AdobeLabs.
Adobe just took the wraps off the long-awaited Digital Publishing Suite that powers the Wired magazine and The New Yorker iPad apps. With InDesign CS5 at the core, you can now author your layouts, including interactive content, and export it out in the new .issue format.