Originally Posted by
nwmtnbkr
I am considering getting a second bike next year ... my budget will be no more than $400. ...
Does "next year" mean in three weeks? Or in a few months? Are you located where you can test ride some different folders? With a $400 budget, the Eco 3 is the only "new" multi-speed U.S. model Dahon available. However, good used Dahons for <$400 are not uncommon. The U.S. model Dahon that is closest to the Citizen Barcelona is the Ciao. See:
http://www.thorusa.com/dahon/2008/ciao.htm. I have not seen a Barcelona in person. Based on their specifications, the Ciao has much better components, and the Barcelona costs significantly less. Maybe a used Ciao should be on your short list.