I've been watching Anders Hejlsberg and his presentation about dynamic features introduced in C# 4.0. It got me into thinking that the CTPs and RCs of the language must have been long enough out there for people to do some crazy stuff with it.
I was sooo not mistaken!
Take a look at those couple of things here:
Those are like straight out of Groovy just named a bit differently (the dynamic xml parser is called XmlSlurper) but do mostly the same thing!
C# is getting more and more appealing to my liking of programming languages :)