Just thought you all would like to see that LLBL was mentioned about 1/2 way down on Scott Gu's blog... He is discussing Built-in System.Linq Extension Methods. If you all have already seen this, then forgive my duplication of effort.

http://weblogs.asp.net/scottgu/archive/2007/03/13/new-orcas-language-feature-extension-methods.aspx

I haven't seen it before, thank you very much.