I think a previous announcement expired, anyway can't find it. The Management Theory at Work conferences were open to practice and that is what attracts me. But the critique aspect continues also. More on blog
http://mtw3.blogspot.co.uk/2012/03/youtube-version-of-face-to-face-event...
So far there is not much CMS video so there could be some edit support if anyone has suitable content.
The dates for this have been altered to stop it being expired. There may be a face-to-face version later but mostly this is online.