Ability to sync your Thunderbird Address Book to your iPod.
Q. Why not yet
A. Still working on it
Q. Mac Only?
A. Mac/PC initially. I’ll explore Linux after.
Q. All iPods?
A. iPod with version 1.2+ of the iPod Software, or iPod Photo 1.0+ (Free Updates from Apple)
Q. Why is this Q&A so short
A. Because I’m tired.
Q. When will it be released?
A. Most likely I’ll have something for you all to play with in the very near future.
Update [12-26-2005]: It’s out, and available here.