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.
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Ctsooner, it's showing as "Post removed Apr 30, 2016."  So it was deleted either by him or by the moderators.  The listing you are looking at which still refers to it is apparently not up to date.

Regards,
-- Al
 
Thanks Al, I just couldn't make sense of it.  Wonder what happened, lol.  Oh well.  Buddy of mine is going nuts over his Vandersteen 5 CT's.  He said he upgraded his amps and server.  Said he's blown away as he made a few other tweeks and the speakers are even better and he loved them before, lol.  I do love the line obviously.  I also have enjoyed some of the NEW Legacy speakers too. They do some things very similar to Vandy's.  I think they can be very hot on top though, but they do so much really well.  Very few speakers I love listening to. Some of them are not the last word in definition etc, but they are musical...Kind of like listening to the radio in the car, lol.  
Man! Thanks for all the input! I'm planning on listening to several of the speakers mentioned (Wilson, Vandersteen) and I've had several of the others. It's interesting how upstream components and the room have incredible effects on speakers etc. (as does "taste"). Originally I was trying to find the greatest value at this price point in the used market (given the different depreciation rates of various equipment and the relative stability of performance in the electronics realm vs mechanical).  Part of the staying power is of the former is value and part is reputation. I was wondering about secondary manufacturers who were producing nearly the quality of the big boys and faced a radical drop-off in the secondary market rendering these speakers a virtual "steal" given the drivers, cabinets etc. Some speakers hold their value quite well (i.e. B&W, Wilson, Vandersteen) others decline more rapidly  (but I think the sound does not decline at the same rate). I was hoping to capitalize on "your alls" experience and find a value speaker that tooks a great hit, but sounds really incredible and it's used price is actually undervalued given it performance. 

It's similar to a situation I faced with a boat purchase, A few years ago I bought a new runabout for 26,000 and now the same boat new is 45,000. Folks have found out it's a good boat and have bid up the price. I don't want to pay the inflated price!

Thanks again folks. Keep suggestions coming!