Somehow I missed the announcement but the windows team has gone off and built their own Channel9 type site with some really good conversations: http://talkingaboutwindows.com/archive/2009/04/17/mark-russinovich.aspx"> http://talkingaboutwindows.com/

I just watched the Mark Russinovich video, pretty neat:
 http://talkingaboutwindows.com/archive/2009/04/17/mark-russinovich.aspx">http://talkingaboutwindows.com/archive/2009/04/17/mark-russinovich.aspx