I've done exactly this with similar results. Modifiers on the thumb cluster made a huge difference for me (and I've set up my emacs keybindings to be comfortabl

I've done exactly this with similar results. Modifiers on the thumb cluster made a huge difference for me (and I've set up my emacs keybindings to be comfortable on my keyboard as well). It's helped (but not completely alleviated) my RSI. Absolutely worth the price for me though given that.