Unless high quality titles with unique Wii control (NMH and Z&W type) starts selling consistently better than Mini-games (Carnival or M&S).
I feel that Wii will continue to get third-party support, just not on AAA title front.
EDIT: I don't have a Wii, but probably will get one after MK release.
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,