As time permits, I will be working to get video and other content in place, and will push your feedback (which I concur with strongly) up the chain. Thank you somuch for your input.
It's true that we're heavier on the XAML/C# samples. There are a log of strong cases for using the power of XAML and C# and building a glossy, native app that takes advantage of numerous platform functionalities is one of them. Especially when you're more experienced with C#.