first of all (in my opinion) vintage cymbals have such a full/rich/versatile sound. we are as new cymbals are much more one dimensional.
right now i'm playing all vintage avedis zildjian.
14" hats from the 70's
18" crash from the late 60's
20" ride from the early 60's
and they all blend wonderfully together.
cymbals back then we're a lot different.
quality/sound/everything.
that being said not every one cymbal is the same at all.
you could hit one A and think it sounds great and hit another just like it and think it sounds like garbage. same for k's.
it all comes down to what you're looking for/what type of music you play.
my uncle has a 24" Paiste formula 602 ride and its prob the best/most versatile ride i've ever played. you can play any kind of music on that cymbal, it covers all the bases.
as far as some 50's hats.
i work in a used music store and we had a pair come in that we're in great condition, looked new from the 1950's and i hated the sound. they we're very dark/dry/stoic sounding. had a good chick..but that was about it. great for jazz some would say..but not for me.
i play all kinds of different types of music and for me it's finding cymbals that will be able to hold their own in any setting. never sounding "out of place"
you said you play new 2002's. those have a very unique almost tinny sound. i'm not so fond of them, too one dimensional for me.
maybe you would consider trying some black label 2002's from the 70's?
those cymbals make you work for what you play. what you play is what you get, they're not very forgiving. def for a more "experienced drummer"
but like i said..its all about what you're particularly looking for.
i would never buy a cymbal without hearing it first/playing one just like it.
hope this helped.
p.s.
this was from my experience (not meaning to offend anyone)
good luck on you're hunt.
you could spend the rest of your life looking for "that sound"
-shaun