WiiStation360 on 21 November 2008
Last time PS3 beat the Wii: June 08 - 1 week (MGS4 release)
Last time 360 beat the Wii: Sept-Oct 07 - 2 weeks (Halo 3 release)
Outside of pirates hijacking a boat containing the entire NA Wii holiday shipments, I do not see Sony or MS winning a week for a quite a while.
