Polk LSi15

I am looking for used speakers for under $1200
So far the Polk LSi15 seem to fit the bill but open to other suggestions. Also considering Wharfedale?
Related equip: Cairn Fog cd player
Musical Fid Pre amp
McCormack DNA 125 amp
the ohm walsh micro tall...killer
Huge fan of the Polk LSi line here. IMO, it's hard to find a speaker that uses a better tweeter in that price range.