Re:This is prime PHB material, but... (Score 1)

I don't get it. When I use a Mac, I exercise a larger fraction of the muscles in my arms, reaching for control-click and so forth, than when I use some hypercustomized Linux desktop where I can launch and control fifty apps without leaving home row. I've had such setups which I spent weeks customizing, and yet I prefer the stock Mac OS setup on my one button PowerBook.

If your baseline amount of movement is nontrivial, then a small repetitive stress on top of that is irrelevant. If your baseline amount of movement is zero, then any repetitive stress is bound to become bothersome.