Switching to the Dvorak keyboard cured my RSI.
if you're German check out Neo-layout.org. Its much more awesome. For English speakers try Colemak. For all others check if there are optimized layouts for your language.
Hopefully someone does an adaption of the NEO principles into other languages at some point. Its not that difficult to get into it.
I have often benefited from recommendations for Things I Didn't Know I Wanted.
Given that Less Wrong is a community of unusually intelligent, critical, and self-improvement-focused people, I suspect we can generate a pretty helpful thread of product recommendations — perhaps even a monthly thread of product recommendations.
Rules: