En CodePlex se publicaron 2 labs que muestran como hacer distintas partes de DinnerNow.net.
Developing Dynamic Web Sites with Ajax, WCF and Linq
Developing Vista Sidebar Gadgets
Para los que todavia no conocen DinnerNow.net les dejo una descripcion:
«DinnerNow.net is a Sample Application that shows how you can develop connected application using several new Microsoft Technologies.
DinnerNow is a ficticious market place where you can order food from different vendors to be delivered at home or office. You can choose the type of food you want (Breakfast, Lunch, Dinner, Meal)
The sample uses most of the lastest Microsoft techologies including: IIS7, ASP.NET AJAX Extensions, LINQ, WCF, WPF, WF, Windows PowerShell, Windows Vista Gadgets, .net Compact Framework and so on.»