Check out this page, the ListView.swipeBehaviour:
http://msdn.microsoft.com/en-us/library/windows/apps/hh700730.aspx
This is damn near a blank page...tell you damn near nothing.

Now look at this old-skool MSDN page on the asp:dropdownlist:
http://msdn.microsoft.com/en-us/library/0dzka5sf(v=vs.71).aspx">http://msdn.microsoft.com/en-us/library/0dzka5sf(v=vs.71).aspx
Tons of stuff...remarks, how to use things, lots of sample code.

Damn near every page in the "Dev Center - Metro style apps" site is completely useless. I spent time for each of my issues when we were building out WIndows 8 HTML5 app to look at the Dev Center first...then Google second, which brings up nothing, then the only resource is the Metro forums.

There is absolutely zero evangelism for Windows 8 development.