gaited horse= any horse that has extra gaits
rack=the 5th gate of a a 5-gaited american saddlebred
Saddlebreds are tremendously smooth to ride, however you have to know what you are doing. If you are a hunter rider, it takes some serious getting used to. check out the exremely detailed post i just posted in the Gaited Horses forum under the topic "a few questions about gaited horses" (i think the title was something like that). I just write quite a bit about saddlebreds and the gaits.