According to Microsoft:
“Based on your feedback, Microsoft is excited to announce we’re shifting Tech·Ed Europe back to the summer timeframe, resuming in 2012. Mark your calendars: the next Tech·Ed Europe will be held the week of June 25, 2012 at the Amsterdam RAI Exhibition and Convention Centre in the historical and picturesque city of Amsterdam, The Netherlands!”
The Tech·Ed Europe 2010 keynote and session recordings are available for online viewing – no registration is required and all content is free to watch, download and share.
We are excited about our return to the capital of the Netherlands, and we look forward to a fabulous training and education event in 2012. Be on the lookout for the Tech·Ed Europe newsletter to get all of the latest and greatest announcements on the conference.

April 6, 2011 
TechEd 2011 will be at Russia.
http://www.microsoft.com/ru-ru/events/teched/
That’s Teched Russia – not Teched Europe.
You was right. TechEd in Europe is really different than this teched 2011 in Russia – far more for IT directors and much less for software developers. I was a bit sad