If you're looking for an introduction to .NET's LINQ technology, you could do far worse that browse here:
From an MVC point of view it's a little out-of-date in its use of code-behind files, which I don't believe are supported any more, but the demonstration is excellent. It even gave me one of those 'wow' moments.
There are still a few unknowns for me to work through, but once I have a mature, working example of the code I'm using in the Resource Manager application, I'll post it here.
