Plugging one of the holes in iCal, this little app will create events in a select calendar for any birthdays in your Address Book. It's a cocoa app that uses AppleScript to copy in the events... apparently this doesn't allow all day events, and if the event already exists you'll get two...
I was thinking of writing one that would maintain it's own
calendar... that way it could create it from scratch each time? Keep
it in your Sites/ directory and subscribe to it? Maybe...
link
