Wii will outsell both xbox and PS3, but it will never replace it.
You won't see PS2's last gen-ish domination, what you will see is close to 3 pilar of gaming. With Wii selling 80-100 million, PS3 60-80 mil (end of gen) and xbox 40-60 mil
Soriku (Feb 10/08): In 5 years the PS3/360 will be dead.
KH3 bet: "If KH3 comes to Wii exclusive, I will take a 1 month of sig/avatar by otheres open a thread apologize and praise you guys' brilliance." http://vgchartz.com/forum/thread.php?start=50&id=18379
Original cast: Badonkadonkhr, sc94597 allaboutthegames885, kingofwale, Soriku, ctk495, skeezer, RDBRaptor, Mirson,