Well here is a thing Les, slightly off topic but similar thing.
I used to fence in fact I was a club coach for "foil" up untill about 7 years ago when my sciatica and a fencing related neck injury became too bad and I packed in.
Anyway I had various types of swords "eppe" a "sabre" a couple of practice or steam "foils" and my two electric competition "foils" now the latter had anatomical grips and exaxtly the same blades fitted (swords come in bits so you can build one up to suit) and same guards so should have felt, balanced and handled the same but guess what ..... they didnt I had one that I prefered. Wierd aint it