Most of those 9,000 new Mac users per day are in the United States, where Microsoft seems to be suffering a net loss of their installed base. Vista should do well in China.
BTW, your link is to a guy that is talking baloney.
The writer, Tom Yager, is the Chief Technologist at Infoworld. Infoworld is a respected weekly journal for professionals in the computer industry for nearly thirty years. What are your credentials?
http://www.daniweb.com/blogs/entry1292.html
http://blogs.zdnet.com/microsoft/?p=104
http://www.palmblvd.com/articles/2006/12/2006-12-4-Palm-Desktop-Not.html
http://blogs.zdnet.com/microsoft/?p=71
http://forums.zuggsoft.com/phpbb/viewtopic.php?p=102679
http://actblogger.com/2007/01/18/vista/
http://support.microsoft.com/kb/929490