Today OverDrive posted a Video Sneak Preview of their upcoming eBook app for iPhone. Check it out at the following:
Digital Library Blog Post: http://overdriveblogs.com/library/2010/11/09/sneak-preview-overdrive-ebook-app-for-iphone/
YouTube Link: http://www.youtube.com/watch?v=FhbV3phZ-N4
The app will support OverDrive-supplied EPUB eBooks upon initial release, and will also continue to support OverDrive MP3 audiobooks like previous versions of the OverDrive app for iPhone. The app for iPhone is currently slated for release in early December.