Interview with Cammie Dunaway confirms Zelda for E3.

[puffy]

2006 was one year
2007 was two years
2008 was three years
2009 was four years
2010 is the 5th year

Like it or not, that's how they see it, and technically you can't fault them. The Wii is currently is in it's 5th year going by that logic. Not hard to work out.