If you're interested in this blog, you'll probably be interested in reading the blogs of other folks from Microsoft who work directly or indirectly on Avalon. I've been spelunking around in an attempt to come up with a comprehensive Avalon bloggers list. Here goes:
My next project is to start to accumulate a list of non-Microsoft bloggers who write about Avalon - come out of the woodwork wherever you are! Feel free to drop me a line via the contact page here if you fall into that category - I'd love to hear from you!