Jomo Fisher describes how a simple query looked back in the days of .Net 1.1 and how it evolved to a new feature of .Net 3.5 which we call lambda expressions.

http://blogs.msdn.com/jomo_fisher/archive/2005/09/13/464884.aspx

A nice set of articles regarding non-collection related Generics development.

Part 1 discusses an elegant way to perform Lazy Load to a type. ( my personal favorite )
http://honestillusion.com/blogs/blog_0/archive/2006/10/02/Generics-without-Collections.aspx

Part 2 introduces a way to filter collections.
http://honestillusion.com/blogs/blog_0/archive/2006/11/07/Generics-without-Collections-_2800_pt-2_2900_.aspx

Part 3 shows a way to parse strings into Enum values.
http://honestillusion.com/blogs/blog_0/archive/2006/11/20/Generics-without-Collections_2C00_-Pt.-3.aspx