So I upgraded to Tiger a few days ago. It comes with iPhoto 5.
I really regret the disappearance of iPhoto Library/Albums/ 🙁
I searched around and found on a forum that with iPhoto 5, Apple has beefed up the virtual-album system. And adding insult to injury, I read that one doesn’t need to know a thing about the organisation of one’s hard disk to use iPhoto.
Hrmpf.