Since the download available for Flash Builder 4 and Flash Catalyst from Adobe Labs site, there were quite a lot of tutorials, how-to’s and reviews all over the web from Adobe’s Platform Evangelists and a few other prominent developers.

Flash Builder 4 delivers a long list of new features, plus improvements to many existing features. Adobe has compiled a very useful set of videos about the new feature of Flash Builder 4 and Flash Catalyst.  The following is a list of the resource and tutorials of Flash Builder 4、Flex 4 SDK adm Flash Catalyst.If you know more please don’t hesitate to let me know. Note: listed in no particular order.

Flash Builder 4 Standalone Installer

• Download Flash Builder 4 Installer for Windows (EXE, 285 MB)
• Download Flash Builder 4 Installer for Macintosh (DMG, 277 MB)

Flash Builder 4 Plugin for Eclipse

• Download Flash Builder 4 Plugin for Windows (EXE, 314 MB)
• Download Flash Builder 4 Plugin for Macintosh (DMG, 306 MB)

Flex Component Kit for Adobe Flash Professional CS4

• Download Flex Component Kit for Flash Professional CS4 (ZIP, 224 KB)

Flex 4 Test Automation Plug-in

• Download Flex 4 Test Automation Plug-in (ZIP, 390 KB)
• Download Flex 4 Test Automation Demonstration (ZIP, 7.2 MB)

Flash Catalyst Beta

• Download Flash Catalyst for Windows (EXE, 292 MB)
• Download Flash Catalyst for Macintosh (DMG, 335 MB)

Introduce, tutorials and other resource(most of them from adobe office site, )

• Adobe Flex 4 Help
  • Using Flex 4
  • Using Flash Builder
  • Creating data-driven applications with Flex
  • Tutorials
• Adobe® Flex® 4 Beta Language Reference
• Learn to Use Flash Builder 4 and Flex 4 SDK
  • Learn about Flash Builder 4
    • Video: Introducing Flash Builder 4
      Discover new design-centric, data-centric, and developer productivity features in the beta.
    • Tutorial: What’s New in Flash Builder 4
      Learn about the three main feature themes in this release.
    • Resources: Flex for ColdFusion developers Learning Center
      Explore the new data-centric development features of Flash Builder 4 beta.
  • Learn about Flex 4 SDK
    • Tutorial: What’s New in Flex 4 SDK
      Learn what you’ll find as you explore the Flex 4 SDK beta.
    • Tutorial: Differences between Flex 3 SDK and Flex 4 SDK
      Learn about the differences in architecture, components, layouts, use of states, and effects.
    • Tutorial: Effects in Adobe Flex 4 SDK ― Part 1: Basic Effects
      See the basic infrastructure of the new effects in this release.
  • Working with Flash Builder 4
    • Video: Developer Productivity in Flash Builder 4
      Presenter: David Zuckerman; Adobe
    • Video: Handling Large Recordsets in Flash Builder 4
      Presenter: Tim Buntel; Adobe
    • Video: Debug and Test Code in Flash Builder 4
      Presenter: David Zuckerman; Adobe
    • Video: Work with Flex 4 SDK in Flash Builder 4
      Presenter: David Zuckerman; Adobe
    • Video: PHP Services in Flash Builder 4 (Part 1)
      Presenter: Tom Lane; Adobe
    • Video: PHP Services in Flash Builder 4 (Part 2)
      Presenter: Tom Lane; Adobe
• Flash Builder and Flex SDK Tutorials
• How to use Flash Catalyst and Flash Builder 4(Part one)
• How to use Flash Catalyst and Flash Builder 4(Part two)
• ADOBE® FLEX Gumbo Preview ReleaseFeatures and Migration Guide（PDF）