AOL management has given the official OK for employee blogging... hope I helped influence that decision. Now you can read several other employee blogs, including Greg, an engineer on my team (AIM architecture), and a different Justin, an engineer on the Boxely team (UI toolkit). Greg's blog has had a lot of updates already, so it obviously means he is less busy than I am. I will have to talk to him about that :)
We also recently opened up blogging for AIM users... you can get your AIM blog, or read other AIM users' blogs, here.