Hi, Salvador Casatillo is a very well known Luthier and his shop is in Paracho, Mexico. He specializes in Flamenco Guitars and won several 1st prizes
In National competitions back in 2001 and 2002. His guitars are very popular in the Flamenco community. His prices vary from 3,000 USD and up.
He also builds classical guitars. Regards
PS I believe Guitar Salon International carries some of his guitars