[hasslblad]

I agree with this. At first glance the problems he presents are simple, then you realise all the design decisions they've made and the pros and cons of each approach they were aware of when writing C#.

On a footnote I also recommend Jon Skeet: Coding Blog - http://msmvps.com/blogs/jon_skeet/ He's known in the .Net community. He's the guy behind Tony the Pony. He's a Google staffer who has written some C# books. He goes into great depth about C# stuff.