I can't tell you how many times I've sat down at someone elses computer back in the CRT monitor days, and had to up their refresh rate to something tolerable (i

I can't tell you how many times I've sat down at someone elses computer back in the CRT monitor days, and had to up their refresh rate to something tolerable (it was always defaulted at 60Hz). Almost no one noticed the flicker at 60. This used to not be so bad, until most interfaces switched to black text on a white background. Argh, my eyes bled.