I'm seeing and hearing a lot of different things. When I called, Phil told me to use I-80. Matt suggested Ali's Solution...a side note that helped me is that Jesse James is a reg. Chi (approx. 27%) so all heifers will all be registrible as Chi. A lot of the clubby bulls do not have enough Chi blood for their offspring to be registered. I understand with steers it doesn't matter but what about all those heifer calves? With the ACA regulations for % to be 6.25 or higher, it might make those heifers more marketable. Now, I will not argue the fact that I-80 will give you reg. Maintainer heifers. Just depends on what you want. And about the amount of semen sold I see JJ sold a lot less. I guess I'd rather own a good JJ heifer than an I-80 heifer because there'll be less common and maybe more marketable. It's really one's own decision because "opinions are like ...holes, everybody's got one". Educate yourself, talk to people, look at some calves and make up your mind yourself. Best of luck!