Question re: fins from Pacific Vibrations and Gato Heroi

Howdy again y’all.

I noticed some really interesting designs from these two:

Pacific Vibrations:

https://www.pacificvibrations.com/product-page/10-5-david-nuuhiwa-template 

Gato Heroi - H-fin:

http://www.gatoheroi.com/products/fin 

Has anyone had any experience with these manufactuerers?  I’d love to hear your feedback before making the investement.

Mahalo!