How about superman living inside the SuperOrca tool?
SuperOrca from "Pantaray Research Ltd." is a direct replacement to the "Orca" MSI Editor from Microsoft. SuperOrca may be used to examine and modify an MSI database in order to distribute a new MSI package. When QSetup delivers an MSI Editor, SuperOrca delivers an MSI Database Editor and let you discover the depth of MSI Database.
http://www.pantaray.com/msi_super_orca.html