Since they're $1000 out of the Salk gate (without the Fiddleback Mahogany veneer and the African Bosse Pommel front baffles), my guess is ~ $600 +. I know some people have gotten steals on eBay, but I've never been one of them.
And sometimes the bidding escalates on used items to ..... "are you kidding me?". We'll see. Damn good designer, though.
Steve