I've worked with the BTC 19" monitor on my right side ever since I bought it three years ago. Recently I've felt pain in my right shoulder and up through the right side of my neck. It's stiffness combined with mild burning. I suspect it has something to do with me A: Spending too much time in font of my computer, and B: Having my master monitor positioned to the right.
So I decided to stack em for a change. Not only that, I jerry rigged my fan to the window using some string and man does it feel freak'n phenomenal! I've got cool air blowing in from the hallway and what I hope will turn out to be more ergonomic monitor set up. Only time will tell...
In the mean time, I'm only thirteen monitors away from this:
