The brands mentioned have some good rubs. As do Kosmos, Tuffy Stone, and Heath Riles...to mention a couple more. Within each brand some are sweeter and some are more savory. It really just depends on what protein you're cooking and the flavor profile you're looking for. There is no "best"...
I'm interested in Nakagawa recommendations. I've been curious about trying a gyuto forged by him. I already have a Blue 2 from Tetsujin and a Blue 1 from Y. Tanaka.
Aside from the differences in the sharpeners, is there a discernible difference in Blue 1 and Blue 2 from Nakagawa? Just...