There is an awesome article about LINQ on Azam Sharp's blog today, http://geekswithblogs.net/AzamSharp/archive/2005/11/05/59201.aspx
The Microsoft Faculty Advisory team had a nice opportunity to hear about this from Anders Hejlsberg at our meeting in Redmond. Chanel 9 also has a nice interview with him as well where he talks about some of the exciting features of LINQ. I am really excited about this new programming tool. I hope to now download it an see what I can do with it. Once I get it running on my system perhaps I can introduce it to my students.