The Dell's U2410 (NOT THE 2412!!!) and the U2711 are great, but only if you use them in AdobeRGB setting. This can be a little uncomfortable for most work as everything in the GUI is really saturated. Browsing for example will look really weird, so if you do web-design go for a screen with decent sRGB support.
The sRGB settings on these Dells are mediocre as they lack a 3D lut.
If you want great sRGB try to find a standard gamut CCFL monitor. Eizo still makes a few (look at the SX or Foris series for models that don't mention wide gamut). Or go for the great second hands. The HP LP2065 is still a great one for little money on second hand sites (even many unused are still sold). It has a very nice close to perfect sRGB 1600x1200 IPS panel.
Go prad.de for the best monitor reviews. They give sRGB and AdobeRGB coverage of all models, and even some white-LED ones do pretty good on sRGB.