Anyone experience a high pitched whine from CRT'S? I have a couple of older Crt's, 1 viewsonic and one Sony, probably both 8-10 years old and they have developed a high pitch whine which is actually to the point of unbearable when it starts. Is that a sign of impending doom? What causes it? Wife won't be able to complain about buying more equipment soo, I'm kind of hoping. They aren't my trading monitors, but of course I would have to upgrade the trading group and move the old trading ones into the replacement spots.