Barak let me know that the Microsoft Component Installer Software Development Kit is live on the download center. ISVs can use this tool to make sure their customer's computers have the necessary Windows components installed. Visit the page here for more information:
Microsoft Component Installer Software Development Kit (Spring 2005)
Microsoft Component Installer Software Development Kit (Spring 2005) helps you deliver the needed Windows component to your customer in order to run your application. The SDK provides support for installing any or all of the following components (in the following order):
  • Microsoft Data Access Components (MDAC) 2.8
  • Microsoft .NET Framework 1.1
  • Microsoft DirectX 9.0c Microsoft DirectX 9.0c for Managed Code
  • Microsoft .NET Framework Version 1.1 Language Pack
  • Microsoft .NET Framework 1.1 Service Pack 1
  • Microsoft ASP.NET Security Update for Microsoft .NET Framework 1.1 Service Pack 1
  • Microsoft Windows Installer 2.0
  • Microsoft Windows Installer 3.1