WiX toolset

I need more control over my whole build process and Installshield's little querks and ludicrous cost has forced me to look into the WiX toolset.

• Wix wiki
  
• Windows Installer XML (WiX) toolset has released as Open Source on SourceForge.net
• WiX tutorial
• Introducing WiX by Mike Gunderloy
• Windows Installer XML (WiX) toolset on SourceForge.net
• Using WiX to create Windows Installer Packages
• Automate Releases With MSBuild And Windows Installer XML
  
• Using the WiX Toolset to Integrate Setup into Your Development Process

Uninstall applications via C#

I recently had to uninstall applications programmatically and it was quite simple. All the information needed resides in the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall registry key.