Call me back on IE when:
1) It loads more than 50% of the pages on my computer. (Honestly, I don't know why, but the IE on my computer sucks more than most. Maybe it knows I hate it.)
2) Has a customizable ad-blocker, Canadian, German, and Japanese dictionaries and Kanji dictionaries, Gmail notifier, auto linkification and text-to-image, is fully tweakable (about:config), and lets you play Pong online. Oh yeah.

Oh, and I can set it to play music from the browser too, I just haven't listened to music much recently.
3) Has mouse gestures. I will no longer use a browser without mouse gestures again. The laziness they offer is supreme.
4) Loads pages faster than my tweaked FireFox.
5) Doesn't take explorer.exe with it when it crashes.
6) Actually meets web standards for HTML. (Yeah, it still doesn't as I understand it. One common example is title text.)
My policy is to just set ZoneAlarm to block Internet Explorer from the Internet altogether, and forget about it.
FireFox > Opera (I liked this browser up until I discovered there were mouse gestures for FF.) > Nutscrape Agitator > Internet Exploder > AOHell
(Would you believe I had someone in chat today using AOL version 1.1!? Wasn't that made for, like, DOS?!)
</rant>