Silverlight 3 is out

Now that Silverlight 3 is out, where do you start?

From: http://silverlight.net/getstarted/

Get Started Building Silverlight 3 Applications

1. Install the developer tools for Silverlight. If you don't have Visual Web Developer, download both using Web Platform Installer. This will install the SDK, developer runtimes, and Visual Studio project templates. You can optionally download the tools directly for offline installation. For additional information, read the Overview and the Silverlight 3 Release Notes.
2. Install Microsoft Expression Blend 3 + SketchFlow RC
   Expression Blend 3 RC allows designers to graphically create UI’s for Silverlight 3 applications.
3. Install Deep Zoom Composer
   This tool allows you to prepare your images for use with the Deep Zoom feature in Silverlight 3.
4. Download Silverlight Toolkit
   This Toolkit is a Microsoft project containing Silverlight controls, components and utilities that can be downloaded and used in your Silverlight applications. It includes full source code, samples and tests.