Oscar Lemaire released an update on some LTD regarding Wii U / 3DS hardware and software in France.
Wii U : 590 000
3DS : 2,9 millions
Mario Kart 8 : 500 000
Smash 3DS : 330 000
Smash Wii U : 170 000
MK8 has an attach rate of around 85 %.
Comparision from 6 months ago (end of December '14; according to Philippe Lavoué):
Wii U: 490 000
Smash 3DS: 220 000
Wii U : 590 000
3DS : 2,9 millions
Mario Kart 8 : 500 000
Smash 3DS : 330 000
Smash Wii U : 170 000
MK8 has an attach rate of around 85 %.
Comparision from 6 months ago (end of December '14; according to Philippe Lavoué):
Wii U: 490 000
Smash 3DS: 220 000