MX Blacks are very nice They may take a bit of getting used to, but I like them a lot. I did not initially.
I feel like blacks are the god switch that tends to grow on you later on.
When I first tried blacks, it was in a store on a Steelseries 6Gv2. I absolutely hated it, felt like I was pushing down on a pillow.
I was using blues at the time, then after typing on blues for months and months I started to find them too soft.
So I began looking for a heavier switch, with greens not being easily available back then. I just randomly bought Poker PCB + plate and lubed black switches.
Am absolutely loving them, but after a few months I'm already getting that feeling that I want something even heavier. But that might just be me wanting my click/tactile feedback back.