For those of you who might be curious about how the XML integration features in VB9 work, there's now a great screencast up on Channel 9 that walks you through them while building a sample application:
The next version of VB .Net adds Xml as a built in data type using the new LINQ to XML API. As a built in data type, VB 9.0 provides the ability to create XML using XML Literals and to query XML documents using XML properties. This webcast contains a demo by David Schach, the lead developer in this project, of creating a program to share pictures over the internet.
Check it out!