Joe's definitely still around. He's the dev lead for our Parallel Extensions team.
Good introduction, cool stuff.
I just posted a Visual Basic version of the code used during this video, for those who are interested:
http://blogs.msdn.com/lisa/archive/2009/10/31/visual-basic-code-for-net-parallel-extensions-video.aspx
Thanks Stephen and Jason for yet another great video!
Lisa Feigenbaum, VS Languages Community Program Manager