To few to form an opinion for me, what I have seen has worked as it should but It's so hard to form an opinion without much more experience.
It's much faster to sort out bullets and cartridges used with plains game because several hundred are shot each year. Hornady is a class act, and I have no reason to believe that they would make anything that would not have been well thought out and fully tested before they released it. This is not the case for many of the "prototypes" released by other companies.
This bullet is not going to have a solid following as quickly, because they are designed for big stuff which does not get killed as frequently as smaller game. Until I see lots of use, I would not be able to form an accurate opinion.