I don't know how I'd pick just one... I absolutely love both of the ones I have and either one would be fine for the question(Dragonfly2 ZDP-189 and Chaparral I), but for a definitive answer(for most people; see below) I'd probably have to go with a Caly3/CalyJr/Caly3.5. Those seem to be right in the sweet spot in terms of size and ergonomics and blade steels and such, while having a more up-to-date design than the Delica or Endura.
All that said: The next real knife purchase I want is a Techno, and I'm not sure I wouldn't pick that one based on the times I've held it. Some people meet a certain product and it just really does something for them and I might take a Techno first even before owning it.
All that said: The next real knife purchase I want is a Techno, and I'm not sure I wouldn't pick that one based on the times I've held it. Some people meet a certain product and it just really does something for them and I might take a Techno first even before owning it.