The document discusses competition in the desktop productivity software market between Microsoft, Novell, and Google as Microsoft prepares to launch new versions of Windows Vista and Microsoft Office 2007. It outlines arguments from representatives of each company regarding the benefits and limitations of their software offerings, including cost, compatibility, collaboration features, and ease of use. Novell and Google argue their alternatives offer savings over Microsoft while still providing necessary functionality, while Microsoft focuses on enhanced collaboration and integration across its software and services. Industry analysts believe all vendors will continue challenging each other but that Microsoft remains dominant due to its large existing customer base and integrated software ecosystem.