• Nibbles great tutorials and samples
• Silverlight.net Learning is a great starting point
• MSDN Silverlight Center for all your developer reference needs
• More details about Silverlight from MSDN
• Learning Snacks more 1.0 but good information
• Lynda.com Silverlight 1.0 videos (free)

There are two excellent Silverlight 2.0 books now on the market:

• Introducing Microsoft Silverlight 2.0, 2nd Edition by Laurence Moroney
• Essential Silverlight 2 Up-to-Date By Christian Wenz

If anyone out there has any recommendations let me know and I’ll update the list.