Three times is homage, rip-off, a trend or simply a sign that this is the signature visual of the gaming era during which we live.
Edge Magazine cover from 2005 back when the Wii was still called the Revolution (Via Edge cover gallery on Flickr)
Nintendo Power cover from 2007
Cover to forthcoming book, A Casual Revolution, about the impact of the Wii, Guitar Hero and other audience-expanding systems and games. (Publisher description here.)