Thanks for those additional thoughts and insights, John. Much appreciatedLiving as I do in SE Kansas, where we have a festival every fall called Little Balkan Days, I can readily relate to your historo-metaphoical reference. After another 24 hours of thought, I remain convinced that six categories are too many for the usage level of this board, and that two are too few. The basic duality of the board (below 530 kHz versus above) is clearly inevitable, but it's not truly symmetrical in that sense because of occasional threads like this one that are important to the board's future, or items are otherwise not limited in interest to just LF or just HF users.
That would take us to three categories. Does that seem excessive to anyone?
More ruminations on John B's points in the morning.