Holy fuck, isn't 55K like... worse than Gamecube levels? I'm not usually part of the whole "Nintendo is Doomed" thing, but this is gonna be a hell of a lot harder to turn around than the 3DS. Even with strong sellers like Mario Kart, Super Smash Bros, and Zelda, the Gamecube still ended up at around 20 million, and at least the Gamecube actually made money till it's price got slashed to 99$.
I apologize in advance if the below just sounds like incoherent rambling, I'm not really that well versed in the business side of video games. Its just that 55K just sounds so terrible that even I feel like I should say my 2 cents here!
I know comparing Nintendo to Sega isn't usually that accurate, but I do wonder if the Wii U could end up being sorta like the Sega Saturn, as in it gets killed off relatively early to make way for it's successor. Granted, I expect the Wii U to do way better than the Saturn sales wise, and I THINK Nintendo is in a far better financial situation than Sega was at the time (not sure though, I usually don't pay too much attention to this kind of stuff), but still, selling worse than the Gamecube did at this point is pretty dire. If Nintendo were to do that though, I'd really hope that they don't end up putting out the equivalent of the Dreamcast (or worse, the Wii U ends up being like the Dreamcast)!
I guess a less drastic approach would be to find some sort of way to relaunch the Wii U in a more appealing package. While the lack of Software is probably the biggest reason the sales are hitting these kinds of record lows, I don't think "Panic Mode Nintendo" alone can turn this around like the 3DS, especially since if I recall, the Wii U isn't making a profit on day 1. I almost wonder if Nintendo should do something crazy like relaunch the Wii U with a totally different controller concept, and make the gamepad just a wacky accessory. Normally I'd think that's a terrible idea (and it might still be!) due to splitting up what the user base can play, but at the same time... the tablet concept (as much as I love it) just doesn't seem to be very appealing to the general public. With the possibility of sales getting even WORSE in the near future, I wonder if the risk of splitting up the early user base could be worth it. Of course, the big issue with this approach is that Nintendo would have to come up with a new controller that has a similar sort of wide appeal that the Wiimote had, but also isn't just a retread of the Wii, and that is honestly quite a tall order!