Mike Jones has posted an analysis of an adaptation of the Concurrent Life app (That ships with the F# distro) here. I haven't gotten through the entire article yet but so far it is great. The sample app has a C# interface and consumes an F# library. He suggests that C#'ers not familiar with functional programming use F# imperatively to get comfortable with the language syntax then tackle the functional style.

Also, I came across these articles by Thomas Petricek that are proving very helpfull:

And also a nice intro by The Flying Frog Consultancy...