There is a thread about the pump handles in this subforum. IIRC, it was a temporary part of the government shutdown. Find the thread and read the links.

Greezones appears to be knockoffs of Fridays and/or Bromptons. Assuming you have right tires for the job, don't see why one wouldn't work. One met a guy who was riding to Alaska on his Friday NWT. I have ridden mine on some rough, muddy surfaces.

A recent adventure on the C&O:

http://www.bikeforums.net/touring/72...yesterday.html