Targobank used to be Citibank, so they still keep a number of courtesies for English-speaking…read moreclients. Things like an English-language website that uses points instead of commas, and instant transfer to and from CB accounts in the USA
Most important, though, is the fact that they will continue to service accounts held by US citizens living in Germany. Some banks will not serve American citizens, due to the onerous reporting requirements the US government demands--not just from its citizens, but the financial institutions they deal with. The Stadtsparkasse Group, for example.