We have showed this control around a few places now (Worldwide Partner Conference in the SteveB Keynote demo, MIX UK in the session I did with Danny Thorpe).

The guys (ScottIsAFool) @ liveside have blogged on the IM Control (I gave them so people weren't copying out lowres screenshots from video streams - when the MIX UK Recordings become available).

I don't have an update on the release date but it isn't that far away and it will be cool!

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Read more in their article.