Multithreading on web

I usually refer to Microsoft's msdn library but I often visit following web sites. They have good content on multithreading using .net and C#.

1.Threading in C# by Joseph Albahari
2. msdn
3. Intel software
4. Intel software videos Go to Intel software videos and click on multi-core tab. I suggest you to watch all videos but if you are in hurry, start with Threading in .NET* - Best Practices - 1 to 7 series.

Update:

An interesting article to read.

The Free Lunch Is Over
A Fundamental Turn Toward Concurrency in Software