Here are the official sales of the consoles. Nintendo is now officially #1! Sony is around 3.5 million, Nintendo at 9 million, and Microsoft 8.9 million units -Internationally-. That means by Microsoft and Nintendo are almost 3x ahead of Sony. If that gap grows next year, the PS3 will be another Dreamcast, Neo Geo.
http://www.gamespot.com/news/6178666.html
http://www.gamespot.com/news/6178666.html