I started thinking about this when I read a listing for a German pen made in the 40s. And I thought: "I can't have a Nazi pen!" For entirely different reasons I don't buy pens with clips because I don't wear shirts with pockets. And I don't much like modern, inflexible nibs. Otherwise I'd have a million damn pens - even with these constraints I have too many, but that's a job for my therapist. So, what's your line in the sand?