There's an upcoming webcast from Microsoft on Practical Applications Silverlight Data Visualizations. From the presentation description:
Building high-fidelity, interactive web pages and business intelligence dashboards are now a reality with the Rich Internet Applications (RIA) features in Microsoft Silverlight 2. In this talk, you will be introduced to the various controls from Infragistics that target real-world, data-driven scenarios for delivering information in a rich, useful manner in your web applications. You will be exposed to various best practice techniques of hosting multiple Silverlight players on a page and cross-player communication with the Silverlight controls on your pages. Fundamentals such as data binding design best practices will also be explored in this code-focused talk.
Presenter: Jason Beres, Director of Product Management, Infragistics