You should check out the new Super64X. It’s best feature are the double thickness reed plates, which run the whole length of the scale. This makes for a superior tone, especially on the top octave. The mouth piece slide is also new. It’s a fantastic 16 hole chromatic harmonica.
As for Hugo Diaz and Carey Bell - all great players will play and sound great on any Hohner chromatic. But look also at what mics and amplified sound they have. A bit of reverb etc can transform a harmonica.
I’ve heard the new Hohner Harp Blaster is excellent. It would work with your chromatic setups too. Good luck with whatever you choose. It’s all your choice to make your own sound. 
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