Home page: http://hello.typepad.com
Friends: http://www.randomwalks.com, http://www.stingykids.net/garden
I've thought a little about this: http://hello.typepad.com/hello/2003/08/a_short_syndica.html
I'm sorry I came so late to the discussion. I have been lurking from the beginning, and we're (http://www.mediarights.org) going to use this spec (in process) on the launch of a new website next month, so I feel invested in it.