I can tell you that I just adopted another horse from New Vocations that came from Michigan. Regina did a fantastic job with her transition. Her family races STBs, so she knows the breed very well. I can't say enough positive things about my STB from NV. She is very well mannered, rides great and canters Good luck with your search
edited to add, the reason why I passed on Missy was that I wanted a smaller horse. Had nothing to do with her at all.