I decided to compare the wii and ps2's sells year by year
How much is the system outselling it
2000 PS2 2006 Wii Lead PS2 2.1 million
5 million 2.9 million
2001 PS2 2007 Wii Lead PS2 2.1 million
15.8 million 15.8 million
2002 PS2 2008 Wii Lead Wii 5.2 million
20 million 27.3 million
2003 PS2 2009 Wii Lead Wii 8.1 million
18 million 20.9 million
2004 PS2 2010 Wii Lead wii 13.1 million
15 million 20 million(estimate)
2005 2011 Wii Lead Wii 15.1 million
18 million 20 million (estimate)
2006 PS2 2012 Wii Lead Wii 19.1 million
13 million 17 million (estimate)
2007 PS2 2013 Wii Lead Wii 23.1 million
10 million 14 million (estimate)
2008 PS2 2014 Wii Lead Wii 22.1 million
8 million 7 million (estimate)
2009 PS2 2015 Wii Lead Wii 21.1 million
4 million 3 million (estimate
As you can see the wii is outselling the PS2 year by year. If wii keeps the pace up. It will have no problem outselling it.