Funny you mention the hard stop! I too play piano and guitar and have not had problems with them. However I joined a startup way back in 2005 and was working on

Funny you mention the hard stop! I too play piano and guitar and have not had problems with them. However I joined a startup way back in 2005 and was working on a laptop for 12+ hours a day and started to get RSI and shooting pains in my left hand. I moved to a full-sized keyboard with Cherry MX Blue switches and have not had a problem since. HOWEVER I ended up putting those little red rubber O-ring on the switches to soften the stop years ago. I wonder if softening the stop has spared me from any RSI. My keyboard is also quite thick and 100% requires a palm rest to get hands to the proper level of the keyboard. Edit: I see further below you mentioning trying out the O-rings and it made things worse for you. I might have lucked out in the hand-biomechanics part of my DNA.