This is a great question, and it shows that you've been doing some research and are thoroughly checking out everything. I believe that you should offer limited registration even though the pets will be stunning.
It's is my belief that when you produce a pet, you are responsible forever for that pet, and any pet it happens to produce. Many breeders are taking it one step further and neutering the pets before leaving because there are so many unethical breeders, who buy a pet with limited registration, and go ahead and register it with one of the alternative registries. These are the same people who will argue that all registries are the same. There may come a time when you find someone that has a true gift for breeding and believes in the same ideals as you, and you might consider taking this person under your wing and offering him a breeding quality dog with full registration. You would thoroughly want to check this person out because you would still be responsible for any pets this person produces. When I say responsible I mean morally, not legally.