My vote is the Dell Ultrasharp line. I have the U2311H and it is still rocking solid quality with no dead pixels. It isn't best for fast twitch gaming. But image quality is still tops. Also, the ability to move it up and down vertically is nice, and the middle part pivots. I love it and would recommend the newer model.
One of my favorite monitor review sites due to the in depth nature:
http://www.tftcentral.co.uk/reviews/dell_u2414h.htm