I’m getting to be an old codger - so take what I say with a grain of salt.
My take is the best show is one you haven’t attended lately. They all have a certain deja vu about them - and I’ve come away from some happy that someone provided me with free tickets - that I did not travel too far - and waste too much of my time.
If you are planning to be within the environs of a show on this side of the pond - maybe you might get something out of one. Here a a few links to ones that I’ve attended (#2 and #3 are trade shows):
If your interest is in automotive tools or mechanic’s tools this one might be of value :
But I’m surprised that European shows like Ligna in Hannover are not on your list.