It turns out that my neighbor works in the same building as I do, she's the group product manager for IE (go figure that one). I ran into her the other day, and she pointed me to this video she did for "hive.net".
I've got to say that I was really impressed. The content is primarily marketing stuff (not technical), but Margaret is really funny, and she's got a great camera presence. She also does an awesome job of presenting lots of the new features in IE7.
Very, very nice, and utterly worth watching - it's a joy to watch her present this. Unfortunately, it's a bit hard to see what she's showing on the monitor, that's a limitation of filming PCs with a camcorder :(.