They have sold 1.2m in the US since Black Friday;
http://www.sunherald.com/447/story/280815.html
The total on the main page should really be over 9m now then.
Edit: November 23, 2007 to December 31, 2007 PlayStations sold through totals;
1.2 million PS3s
1.4 million PSP
1.3 PlayStation 2
http://www.gamasutra.com/php-bin/news_index.php?story=16848