Getting Started with Windows Phone

If your looking at getting started developing applications on the Windows 7 Phone platform here are some links to get you started;
Getting Started with Windows Phone (MSDN)http://msdn.microsoft.com/en-us/wp7trainingcourse_wp7gettingstarted_unit.aspx
Silverlight for Windows Phone; http://msdn.microsoft.com/en-us/wp7trainingcourse_wp7silverlight_unit.aspx
Get Started with Silverlight for Windows Phone Video; http://www.silverlight.net/learn/videos/all/get-started-with-silverlight-for-windows-phone/
MCSD Magazine Getting Started with Windows Phone Development Tools; http://msdn.microsoft.com/en-us/magazine/gg232764.aspx
Windows Phone 7 Training Course; http://msdn.microsoft.com/en-us/wp7trainingcourse.aspx