I'm really thinking if the club calf embryos you are going to find are of he maternal quality and maternal background to do what you are after? A lot of these are going to be the 1/2 sib to the last champion steer at this show that was raised by a surrogate mother or of some such. I would think you would be better served by finding some embryos in the bottom of some guys semen tank ( mike mimms for instance) that have some history. You really dont have the time or money to raise an embryo seeing a producing cow 4 years down the road.
Just a thought for what it's worth.