Mix 07 - Las Vegas
Mix 07 in Las Vegas was a sell out, I don't think it has anything to do with the location! The steal of the show was Silverlight, if you haven't heard of it I would suggest watching some of the sessions.
Enjoy the Silverlight definition - https://download.microsoft.com/download/0/6/b/06b5dfb2-71f7-4cae-b3f8-b5aff3ba0712/MikeHarsh_mix.wmv