Well the famous case for nintendo fans in japan is "at this rate it will take x years to catch up."

similarly, at this rate it will take the wii u 9.5 years to catch GC. Let that sink in. Also, MK and Smash wont move consoles nearly as much as peope are hoping. Retailers will be the limiting factor there. Even if Wii U recieves unprecedented demand it wont sell as much as people want. Nintendo is manufacturing units by the sales they have been having in past sales trends. Producing more to not sell is a quick way to loose lots of money. Wii U will have about 11.5m at years end and this is probably its peak year

Here you have one( I know you dont know me but I had to say it) 

No. IMO the WiiU is now aiming for 15 Million LTD :(.

I made a thread about this on April Fool's Day suggesting the Wii U has a good shot, but people thought I was joking, so not much came of it.

Basically, by this point in its life, the only big game left for the GameCube was Mario Kart, and arguably the Console Pokemon RPG's. The Wii U still has Mario Kart 8, Animal Crossing 5, Super Smash Bros 4, Zelda U, and likely more (I expect at least one more BIG surprise game from Nintendo this gen, much like DKCR and Wii Party were for last gen's Wii. The GameCube had no such game, since Twilight Princess was made into a Wii title). Furthermore, the Wii U will likely be sold up through 2018, giving it an extra year to sell compared to the GameCube. Factor in the greater potential for price dropping (the GameCube was only $150 by the start of 2003, compared to the $300 Wii U), and I say the Wii U has a shot.

Plus, the GameCube had a major disadvantage after 2004: competing with both the GBA and DS for games from Nintendo. The next Nintendo handheld will likely not be released until 2016 or later, meaning Nintendo won't be caught trying to develop for three/four platforms at once.

I don't follow, perhaps i should of been more clear.   I don't see them releasing another system like the Wii U.   That is a game, who multiplatform wise is looking for special ports, or to get copies of Xbone/PS4 games, instead of fighting straight up vs the next generation systems.

Honestly ask me last year I would've said "Yeah WiiU will hit 30m" , but now that the Ps4 and xbone both did 1mill in under a day I'm like Yeah no Wii U has no market share =.

The Wii U has sold 6 million consoles in 18 months. That averages 333,333 consoles per month. Which is 1 million consoles every 3 months. Which is 4 million per year. The Gamecube sold about 22 million. If the Wii U gets support until late 2018, then it will most likely beat the GC.

Yes, cuz I want it to. Sometimes I feel like Homer Simpson telling his brain to shut up though.

I think it can pull it off if there are enough dual consoles buyers this gen. Since it doesn't have a paid service like the other 2 I could see it being a more like second choice for those trying to do it slightly more on budget, that and with all those wii's and wii motes out there it would be an easy upgrade. once the software and price become compelling enough.

While averaging it out across the time on the market would suggest this, the Wii U sales were s ofront loaded (over 3 million of those were in the first 3 months weren't they?).

However I still think comparing the GC and Wii U as if they are identical propositions is misguided and the Wii U still has a chance to shift more units than most currently predict, but only time will tell. No point telling people they're crazy for their predictions, I remember when Wii U was going to massacre Vita sales as little as 12 months ago yet it still hasn't overtaken it.