Just listen to them and compare them with other speakers at other stores.
IMO, Klipsch speakers don't measure very accurately, but they can still sound very good.
If you hang around forums, you won't see as many praises and recommendation for Klipsch as you will see for Revel, KEF, Focal, B&W, Salk, Ascend, NHT, etc.
But in terms of sound quality, trust your ears when you COMPARE the Klipsch to other speakers. They may sound just as good or better.