It is important to note that Nintendo wasn't the only company that had issues. Xbox Live, the Playstation Network, and Steam all had problems. Nintendo, however, seems to be the company having to most trouble getting everything back up and running. As for when we will be getting Bank in the states, Nintendo still hasn't given a solid date. Currently the date is "to be decided."
We'll give more information as we received it. If you want to weigh in, reply below or on our Facebook page.