Any text I read on this monitor made me want to gouge out my eyeballs, making it awful for school work. Basically, if you have black text on a white or any shade of grey background, you're screwed. I turned on cleartype and that helped slightly but it still didn't seem "focused" (Makes me think back to the old CRT days). The search function on Firefox highlights text as bright green, and makes the text white. On my VP930b, it is a warm, comfortable green that is easy on the eyes, but with the T220, it was literally a neon green with white text that was very hard to read. That combination right there stressed my eyes pretty badly. Just highlighting text with the mouse in Firefox made the text pretty unreadable because the highlighting is a light blue and the text is white. Those 2 colors seemed to merge together as a bright neon green or something, depending on the height at which you are looking at the monitor.
The monitor is so bright it feels like you are staring into a 2x4 fluorescent light fixture. OK, tone down the brightness, and all sorts of color and uniformity issues are revealed. After properly adjusting the color, the picture still doesn't look as crisp as if the brightness and contrast were jacked up to 80-100. Which is unbearable without sunglasses. Major BLB on the top and bottom of the screen. I ran the hidden menu check, and it is a CMO panel. That would explain its tendency to display too much blue, as I've read around the web.