[Forrest]

One of the things I used it for was an IM app I was trying out. I just wanted the dock icon to highlight when I had a message. This app couldn't do that, but the dev said to install growl and that would do it.

Well, maybe it was the IM app's implementation, but getting a notification about something about ever 10 seconds is completely absurd. Although Growl makes the completely far from reality claim that it offers "complete control over which notifications are shown and how they are displayed" I found its control extremely limited and made the IM app completely useless.

Ack, I'm getting started again...