That’s why they make chocolate and vanilla. Everyone has their own preference.
I would be leery of a shop trying to outfit me with what they had on hand.
I did my own research and bought what I though provided the best price/performance
for me. In my case, Mares Abyss regulators, with which I have been very happy with.
I like Scubapro computers, although I have a Oceanic wrist computer. You get the idea.