What used speaker would you buy with $20,000-$35,000 and why?


I'm closer to the 20,000 part, but if I get stretched i would like to know higher recommendations. Remember, this is on the used market - not retail. I'm even interested if you think I should make a huge jump (say to 50,000), but I want to know what justifies that jump. I'd like the best bang for the buck and even the worse bang for the buck. Are there speaker lines that are totally overlooked that sound wonderful in this price range that I need to be exposed to? I may go higher, but lets start there.

PS Let's just assume the upstream equipment is adequate to drive any recommended speaker. We are not limited by upstream components.
Ag insider logo xs@2xnab2
I would get Magnepan 3.7i and the best tight subwoofers and crossover I could find. Maybe twin server subs like REL or GR research. I would have lots of money left over.

Also I really like the Volti Audio Vittora 5 piece speaker system with a tube amp. http://voltiaudio.com/vittora/. Very, very nice.
I have attended the annual CES for about 35 years. This year my vote for the best sound goes to the Magico S5. The imaging must be heard to be believed. I have seen a few used S5s on Audiogon. I would strongly urge you to have an audition if there is a dealer near you. 

I have no qualms with the other suggestions as they are all good but Magico has my vote.
Try the JBL LC310-1 speakers if you can find a pair , I bought mine for 50 bucks
We at Sunny Components have several ideas...

Eggleston Works Andra 3
Wilson Audio Sasha Series 2
T+A Elektroakustic TCD110 S