As i understand the Plenue D lacks a bookmark function which older Cowon devices did have. Since UCI (User Created Interfaces) are possible on the Plenue D, and UCI’s are based on Flash and Actionscript - im wondering if it would be possible to program a custom bookmark function in an UCI based...

I'm considering to buy a Plenue D, but i still have some questions about it... Is the Plenue D usable for Audiobooks? Does it have a bookmark function like its predecessor? Is there an option to auto-change directory if the end of a folder is reached? How big is the actual file count limit...