I'd go with the brands I stated earlier.
I will say that it's going to be a bit tight to find a decent 19" LCD monitor for $400.
I have four BenQ FP992's for work. They have mediocre dot-pitches (.29) and average response times (25ms), but they're well made and have awsome features (like pivot and swivel). I trust BenQ, at least in my work environment. For you, though, this probably won't work as they cost about $510 a pop.
For home, I use only MAGs and LaCie monitors. MAGs are tough and have good features, but they shake on higher quality of the image and are hard to find and service. LaCie monitors are like some of the best you can get, and you'll have to sell a body part to get them...but you'll pyss yourself when you see the difference.
If you don't care about the image, and you don't do a lot of gaming (especially with newer games) then you have a lot more options available. Go to some generic store (like CompUSA or BestBuy) and just grab one. Or go to some mass-produced vendor, like DELL or HP or Xerox. The monitors will be ultra cheap and of low to average quality.