Father Casall is a living legend and an icon for his generation (I have a 3-years-old Casall stallion and have known others, they do have great, uncomplicated minds). Dam sire Clearway was a modern son of Capitol I.
Cascadello breeds modern, but larger, typey offspring. They tend to move well, and a number of them seem to jump nicely. The combination of good types, and good moving has lead to multiple super foal championat winners, and more than half of the champion mares of his first mare crop were placed in the Elite mare show this year. His oldest are only 3, so we do not have results in sport to speak of yet. All in all, he is very consistent, and they appear to be quite sportive. For a young stallions, his production is excellent. It will be a long time before we can judge his offspring in sport.
I've seen him (and his full brother); he's fantastic - big, typey, good mover and super balanced, plus has the "it" factor. I bought two doses of his frozen last year and used one - it was around 15% and not good. The mare didn't get pregnant.
No frozen pregnancies in the US. As far as I have heard, from those who have tried, the semen is terrible. Very unfortunate as I have wanted to use him and was waiting for even one frozen pregnancy to be confirmed