I think the Nintendo split of 455k hw goes like this:
3DS - 170k (because 150k is the min needed to pass 8m per NIntendo's PR)
Wii - 130k (because Wii did almost 230,000 in Feb 2012, and it's been dropping by about 50% long term on a weekly basis)
DS - 90k (455k - Wii U - 3DS - Wii)
Wii U - 65k (based on rising 40-49% from Jan to Feb on a weekly basis, with Jan being 5 weeks and Feb being 4 weeks)
People are difficult to govern because they have too much knowledge.
When there are more laws, there are more criminals.
- Lao Tzu