This is what's available at the "big two" in Chicago:
Dekuyper Kirschwasser, Cordial (USA) 750ml $13.99/Bottle
Etter "Kirsch", Cordial (Swizterland) 750mlá $52.99/Bottle
Maraska Kirsch, Cordial (Croatia) 750mlá $16.99/Bottle
Schladerer "Edel-Kirsch" Fruit (Cordial), Germany 750mlá $21.99/Bottle
Schladerer "Kirsch", Fruit (Cordial) Cordial (Germany) 750ml $34.99/Bottle
Weis Kirsch Fruit Brandy, Germany 750ml $23.99/Bottle
Kammer Black Forest Kirschwasser 750MLá $39.99/btlá
Miscault Kirsch 750MLá $37.99
I know I've seen Clear Creek's cherry eau de vie at Sam's, though since they don't call it kirsch it probably wouldn't turn up in a search. That stuff isn't exactly cheap either.
Incidentally what's the other "big one" in Chicago?