About HW sales increases: if Europe is indicative of a more global trend, HW sales boosts favored by WiiFit for Wii and GTA IV for PS360 launches seem quite time limited:
http://www.vgchartz.com/hwcomps.php?cons1=Wii®1=Europe&cons2=PS3®2=Europe&cons3=X360®3=Europe&start=39222&end=39586







