$20k speakers that really impressed you


They will be $6k-$7k on the used market in a few years, and that's when I just might get them.
No particular associated equipment implied, this would be new system. I don't like horns.
inna
Then probably for mine too. Besides, I don't have $6k-$7k for speakers now, it will take at least a few years to save on.
GamuT RS3i speakers are in that price range. I have heard them at shows and in a friends home and they are incredible. Maybe one day I will own a pair but good luck finding them used. 
No particular order...

Acoustic Zen Crescendo II, Verity Audio Parsifal Ovation, Usher BE-20 Diamond, Nola KO or Studio Grand Reference Gold, Wilson Sabrina, Rockport Atria, ProAc K6, Vandy Quattro CT, Carver Amazing Line Source, PBN Montana XPS