Are you looking for interesting revolvers that have odd actions, like the Chiappa Rhino? Or a modern reproduction of the famous Peacemaker, like the Ruger Vaquero? Whether you want a revolver that can shoot 20 gauge or 410 bore, like the LeMat or the Judge pistol, a great place to start looking is GunBroker.com. There are plenty of odd revolvers you can find from user listings.