LCD.  No question, no debate.

Especially with the add-ons you can get with LCDs these days.  My flat-panel at work not only has built-in USB hub, it has a multiple card reader, can be plugged in directly to a HD source to watch TV, uses less power, takes up less space...

On my 20" LCD at home, I play first person shooters with zero problems, watch video and whatever.  It's better than the 20" CRT I use as a secondary monitor sitting next to it.

At this stage, I'm beginning to think that the people extolling the virtues of CRTs are like the people who insist tubes are far superior to transistor when it comes to audio.