Here is a pic of mine ;
Had a Dell 2405, went up to one of these. To say the difference in image quality was astounding would be no exaggeration. It's very hard to believe that they use the same panel, and just goes to show what a difference the electronics behind the panel can make.
My wife has one as well as she does a lot of graphic work and she says she has yet to come across a screen that betters it for image quality short of spending upwards of £3000.
The 21" version does come out sightly ahead in very strict image quality tests. This has something to do with the way the image is processed on the 24" vs the 21" ..apparently. My wife did tell me exactly what it was but my eyes kind of glazed over