My issue is not only that I have very specific aesthetic criteria, but I'm trying to square that with learning as I go along. For example, since my collecting focus is armour, I'm naturally drawn to katchushi tsuba, but also other unusual/"kawari" motifs like skulls, worm-eaten wood, etc. and wondering if such motifs are "correct" for the blades that I have. Then there are the questions about having koshirae made, etc.. My blades aren't important but I would like to complete them without spending an arm and a leg.