who owns an appaloosa, im looking at one, and he seems really great but my gma has heard things about them that is telling her she shouldn't buy the horse im looking at, well, time is running out because the guy needs to know if im going to come and look at him, so are they good horses? my gma heard they explode at any given time, stuff like that, is any of it true? HELP!! i really want this horse, BAD!!!