In the last two days I've had two 'odd' occurances with OSX, both related to functionality that just 'goes missing' Firstly, yesterday I was working in iPhoto when it crashed and I used the 'restart' option in the notification popup about the crash to restart iPhoto. As an aside, at least crashes in OS-X happen faster than in Windows :) Anyway, after restarting iPhoto I found that i could pretty much do anything except drag and drop photos into album's I had created! ...