Carrillos are heavy duty, open with a great sound, and have extreme wow factor. The older ones you mentioned are less embellished than the Scout or Cobra, and therefore cleaner, IMHO. Go for a damascus or double titanium model if possible. Even more rare are the Carrillo flippers. Very nice to own these, as Dwaine backs each transaction w/ personal attention. He is a pleasant man to deal with. there are Youtube vids of owners chopping wood etc. with them. (But not on Spanish Galleons, ARRGG!)