Market research firm, IDC, recently released a study of the three next generation video game consoles (read article).
Their conclusion? Between now and 2011, nobody will "win" the console war in the way that the PS2 dominated the last-gen consoles. Instead, the gaming market will continue to expand beyond the "hard core" gamer, due mainly to efforts by Nintendo.
The report also prognosticates that for 2007 and 2008, the Wii will outship and outsell the PS3 and the Xbox 360. I could have told you that.