I was also annoyed that I couldn't drop photos on the dock icon when iPhoto wasn't running. They failed to fix it completely in this version though -- you still can't drag an image from Safari and drop it on the dock icon, you have to drop it on the desktop first.

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"The messiness cannot go into the program; it piles up around the programmer." -- Ellen Ullman, Close to the Machine

Maddys Daddy: You said "You can now import pictures from anywhere (Finder, Preview, browser, etc.) by dragging and dropping them onto iPhoto's dock icon, even when iPhoto isn't running."
I am not certain what you are talking about when you say you you can import pictures from a browser. Are you talking about Safari? Because on my mac it does not work.
I noticed at Macworld that with Tiger it has a link in Safari that lets you save directly to iPhoto. Thank God
Jake