I still want to breed my sheltie. Since I am never going to convince everyone that they shouldn't breed, let me at least try to educate you on what you should do if you ARE going to breed. A good place to start is AKC's Getting Started in Dog Breeding . Many people on the sidelines of the sheltie ring are breeders that do not handle their dogs themselves and are more than happy to help indoctrinate a novice. If you are new to breeding, you will probably want a bitch rather than a male dog.
Studs can make poor housepets, and require a bit more experience to manage.
Trying to find people to breed to your unproven stud can be difficult as well. Don't rush into buying a dog, and try to have a breeder whose opinion you value evaluate your prospective dog. As usual, be sure all the proper screening was done on the parents, and that they are good representatives of the breed. Most people do not breed on the dog's first heat. By the time the dog has her second heat, she will be of a better age, and you will have had time to do the necessary genetic screening.