My articles on "Anonymous types" is up
Check out http://www.developer.com/net/csharp/article.php/3589916 for my article on "Anonymous Types", This cool new feature coming in C# 3.0 is surely going to go places.
Codeguru also contains the same article at http://www.codeguru.com/csharp/csharp/cs_misc/designtechniques/article.php/c11551/
Next stop, extension methods.