Snips for the Store... Here's a boat load of code snippets to help you when building Windows Store (aka Modern UI) Apps

CodePlex - Code Snippets for Windows Store Apps

This project contains around 60 commonly used code snippets for any Windows Store app. The snippets are available in the following programming languages: C#, VB, Javascript and C++.
For more information:

• Installation
• List of Snippets

Code Snippets for Windows Store Apps - Documentation - List of Snippets

This is a list of every snippet included with the package.  Note that not every snippet is available on every platform.

Now that's a boat load of snippets... Don't leave your VS2012 without them! :)