Silverlight overview
Laurence Moroney has started a nice series of posts on Silverlight : "Zero to Hero" (how to get started with this technology with no prior knowledge assumed).
The series will cover :
Your First Silverlight Application Understanding XAML Understanding the Blend series of Products Building Silverlight applications using Aptana on the Mac Building Silverlight applications using Visual Studio Express on the PC Programming Silverlight 1.0 with JavaScript http://blogs.msdn.com/webnext/archive/tags/ZERO+HERO/default.aspx