I'm looking for a second dog to join the family, but am very particular about what breed I choose since my first dog is a Purebred st. Bernard. His activity level is pretty good but he is only 8 and a half months old. I think having a second dog around would be excellent for him and i'm willing to make the commitment, but I need a breed that will be compatible with my boy. What i'm looking for is a small-medium to medium-large sized dog, passive temperment, lower activity level, or at least a controllable activity level (I can take the new dog out for long runs on his own, but I can't have him running circles around my saint when they are playing, its just too hard on him). Breeds I think would be appropriate if they were available locally are: Old english sheepdog, Any bulldog, Boston Terrier, Beardie. Something like that. Generally avoiding the labs, border collies, shepards, and retreivers because of their endless energy. Unfortunately I havent really been able to fnid any of these breeders in my general area and am not too keen on shipping. What other breeds can I look into?? any other general suggestions? Thanks folks