MaximumPC takes a look at some user input devices that may help you to work safer and with less pain, in their recently-published Ergonomic Keyboard Review Roundup:
All of us spend hours and hours at our computers, but we rarely stop to think about ergonomics until it’s too late. The keyboards that most of us use don’t help things either.
There are options—this roundup is filled with ergonomic keyboards of all types: mechanical, split, tented, and even contoured. They may look different, but they’ve all got one thing in common: they’re a helluva lot more comfortable than what probably came with your first computer.