Well, it brought it up to a bit below the performance level of the Xbox One. If it could hold at that level in general, it would be a complete revival of the console. However, that is probably something I wouldn't place money on.
The question then becomes if it doesn't hold, how much does it go down, and how quickly. Obviously it's going to get a good boost this holiday season, as Nintendo systems always do, and they have some strong software out. How well it holds prior to that though will be something of a preview for how demand might be in January 2015 and beyond.
It's undeniably a good month, and my initial impression is the boost there looks more encouraging than what we saw in Japan, where the hardware bump nigh exactly mirrored Pikmin 3.