Now we have really hijacked this thread, but I feel the original poster had an answer to the question that started this thread.  So no guilt at this point.  
I tell you Berlin is not what it used to be.  It has become dirty, unsafe, overrun by east Europeans and Russians, and the Berliner's are not happy any more, since the fall of the Wall.  They have turned rather unfriendly.  It's good to visit friends once every 10 years, but that is it for me going back.  It is a long 13 hour non-stop flight from Portland to Frankfurt.  I prefer to keep my good memories about it.  I was there when the Wall fell, which was a crazy experience.  My husband drove a tour bus on his free time into East Berlin and was chosen to drive Peter Jennings and later Alex Trebeck from Wheel of Fortune.  Isn't that cool to have met those people!  I wish I could have met them.