"Now, as for your N64 and Dreamcast comments I just want to say that the N64 and Dreamcast took off well in North America. Neither system was particularly popular in Japan or Europe and their poor sales in these regions eventually impacted sales in North America. By the end of 2007 it is likely that the Wii will have sold more units in Japan and Europe than the N64, Dreamcast or Gamecube ever did."

That actually sounds more like the 360, heh.

I don't think it's that extreme. Someone like Sony can do double that in one territory. But for Nintendo, I just don't see how they can achieve things like 800k units in one month in Europe again. Wii may well do better in other territories than it did in the past, but that's still a far cry from being the strongest system, or even a strong system. Anyway, here's where we hit an issue. Japanese and European developers would sooner embrace PS3 on the basis of past success and 360 on the basis of US success than they would Wii, regardless of Wii's current global success. Wii needs to climb that hurdle. I don't know how it can.

Huh? The success of the PS1/PS2 doesn't negate the faults and present failing of the PS3. And success in three regions trumps success in one, period.

The past does not negate the PS3's problems, at least not entirely. However, this isn't the N64 here. Sony still has every developer onboard because of its past, albeit less exclusively than before, while Microsoft's having to fight for developers and Nintendo's just getting crappy ports and cash ins, also because of the past (Nintendo's hardware isn't helping it any). Long-term success trumps short-term success.

Sony still has every developer onboard, eh? http://www.gamingtarget.com/article.php?artid=6759

An interesting thing is that both Nintendo and Third Parties keep announcing games for the Wii on a (very) regular basis ... I never even heard of Donkey Kong Taru Jet Race but it is being released in Japan on June 28. Nintendo has also registered the following trademarks in Japan which some are probably future games Joy Mecha Fight,  Mario Open Golf, Wii de Yawaraka Atamajuku, Mini Mini Daikoushin!

The combination of low development costs and rapid sales seem to make the Wii a very attractive system to produce games for ...

Go through the lists and let me know how many of those companies aren't developing for Sony, generally more than they are for the other systems. You'll probably be left with Nintendo, Microsoft, and perhaps some of the PC developers that have been on Microsoft's side since the beginning.

 Why don't you actually do that yourself, so you have certainty of what you claim is true?

Back again to point out some things, that I think you have missed or failed to answer:

1. Nintendos 100 million seller system is the gameboy, a system that where out for 10 years and was dated already when it launched. Today Nintendo has another system that most possible will beat that, Nintendo DS, that system sold well in the start but nothing compared to it is selling today. You might also note that the one of the best selling genre on the DS is the touch generation games (Nintendodogs, brain age and so on).
2. Nintendo saved the consol buisness, I don't know where you where during the NES era but some of the best gaming studios that exist today trived under NES. Nintendo might need to reestablishing itself as a comsol player but clearly the have been one of the best and can come back.
3. Playstation 1 had 81 weeks headstart on the N64 in japan and not only that after three weeks it was selling more than N64. PS3 doesn't have that against Wii, your are comparing two different senarios. This time the consols were launched almost on the same time, and Wii has never sold less than PS3 in Japan.
4. Nintendo has already stating that they will increase Wii production, even if the summer month will show less sales than the winter month, that only means that they can stockpile more for next holiday season with Brawl etc coming out.
5. 3rd parties is already now showing more love to Wii than they ever did for the Cube. But if I should be frank, it isn't 3rd parties that is going to sell Wii. It is Wii Sport, Wii Play and Some Mario just as the DS. I would again point out that Wii is selling in Japan on the strength of Wii Sport just as the DS has the brain age series.
6. The DS has showed that 3rd party games can be sold on a nintendo consol. It has also strengthen the Nintendo brand in Europe, mostly with girls a huge untrapped market (5 million+ Dogs).

I guess that was all for now, but I will gladly inform you again if you have any questions. Now I have a question, what do you mean with the december effect?

As an owner of a Wii, 360, and a PS3, the Wii did not have a lasting appeal for me. It came bundled with Wii sports and I bought Zelda, but once I figured the slightest wrist flick is all you need to do to be good at Wii sports, I quit because it got repetitive and boring after a week or so. Zelda was great but I heard it was much better on the gamecube. Nothing else right now really interests me in the 3rd party section except for Super Paper Mario which is first party, but then it will feel like I am getting a nintendo system again just for the first party titles. The way as it is right now, I don't like it. First party titles won't hold me over long enough for the next game to release.