I really don't think the Z is that big of a problem. It is way less annoying than MS putting a flipping X in front of everything to make it cool : (
End of 2009 Predictions (Set, January 1st 2009)
Wii- 72 million 3rd Year Peak, better slate of releases
360- 37 million Should trend down slightly after 3rd year peak
PS3- 29 million Sales should pick up next year, 3rd year peak and price cut