Here is the list of the top 10 free online learning videos from Microsoft published on Channel 9 by views in Switzerland.
So if you want to get a head start on know-how in Microsoft technology, this is a great place to start.
And if you watch one of these trainings until March 31, you have a chance to win prizes every day! Check it out on http://aka.ms/learnandwin
Check out the resources on MSDN, home of the Async How-Do-I videos:
Introduction to the Async CTP
(5 minutes 49 seconds)
Concurrent Downloading with TaskEx.WhenAll
(3 minutes 02 seconds)
Offloading Work with TaskEx.Run
(4 minutes 42 seconds)
Polling and Cancellation
(7 minutes 17 seconds)
Refactoring Functionality into a Library
(4 minutes 41 seconds)
Furthermore there is a great TechED session on the topic by Dustin Campbell, featured on Channel9 including downloadable video and slides of his presentation.