动态数据应用程序的一个好例子是什么?

I'm giving a demonstration of Dynamic Data to a bunch of geeks in two weeks time. I'm looking for a simpe, but comprehensive data model to build the application on. I basically just want to register the model and demonstrate the application, as built (scaffolded) without any customisation, to start with, demonstrating list and detail/edit/insert views, and how table relations are handled.I'm giving a demonstration of Dynamic Data to a