It would look quite cool, but right now they can't really be used on any of the german routes because they don't stop that frequently. For instance, on MSB, the IC trains only stop at Aschaffenburg, so they could only be used as AI trains. (I believe it's the same for RSN and RT, but i haven't checked) However, once we get the opportunity to use one, we'll definetely need a BR 101 to go with those coaches.