"User experience has never been a top concern when developing line-of-business (LOB) apps, but Silverlight 2 might change that," according to Anthony Lombardo who writes in Dr. Dobbs Portal. His article, Building Line-of-Business Apps with Silverlight 2, describes how to gve your application "a perfect mix of usability and appeal."
He describes building a Silverlight 2 application using ASP.NET 3.5 including authentication, roles, and profiles. He then shows how to store user defined settings, follwed by how to access your data and display the data in Silverlight's DataGrid. He wraps up the article by describing the Model-View-ViewModel (MVVM) approach to understanding Silverlight internals.
The article includes code and walks you through the steps in making a good Silverlight 2 business applicaiton.
For more information about getting started with Silverlight 2, see Getting Started: The Official Microsoft Silvelight Site.