Want a prediction? (Some people have given one)
Wii: 140-160M = ~ 57%
X360: 55-65M = ~ 23%
Ps3: 45-60M = ~ 20%
Add in handhelds
DS: 160-190M
I don't count the PsP as a console.
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS