Rick Strahl posted his session slides and samples from his ASP.NET Connections. Really good presentations.
http://west-wind.com/weblog/posts/336745.aspx

How-To: Common Data Patterns with LINQ to SQL
http://blog.jemm.net/articles/databases/how-to-common-data-patterns-with-linq-to-sql/

Frequently Asked Questions (LINQ to SQL)
http://msdn2.microsoft.com/en-us/library/bb386929.aspx

LINQPad lets you interactively query SQL databases in a modern query language: LINQ.  Kiss goodbye to SQL Management Studio!
http://www.linqpad.net/

Visual LINQ Query Builder
http://code.msdn.microsoft.com/vlinq/

Beth Massi posted nice presentation on Ling to XML on Infoq.com.
http://www.infoq.com/presentations/massi-linq-xml

She also rights regularily on her blog "Sharring the goodness tha is VB" - http://blogs.msdn.com/bethmassi/

VB.NET 9.0 has nice syntactic sugar tha C# 3.0 don't have for working with XML and Linq.

Link to Everything: A List of LINQ Providers
http://blogs.msdn.com/charlie/archive/2008/02/28/link-to-everything-a-list-of-linq-providers.aspx

LINQPad lets you interactively query SQL databases in a modern query language: LINQ.  Kiss goodbye to SQL Management Studio!
http://www.linqpad.net/

Visual LINQ Query Builder http://code.msdn.microsoft.com/vlinq/