I got myself a new Dell XPS 15z laptop and the screen on it makes my desktop monitor look very ordinary (something I thought I'd never say). 
I guess it's due to the lack of LED back-light, but the laptop is so much clearer, brighter and the colours are more vivid.
I've always wanted a second 24" monitor, so I am considering buying a new LED backlit monitor, and using my current one to extend my desktop.
Suggestions? I'd prefer to stay with Dell but I don't really know what's around? Or would I be better off going with a 30" monitor and selling the 2407 to put toward it?

I guess it's due to the lack of LED back-light, but the laptop is so much clearer, brighter and the colours are more vivid.
I've always wanted a second 24" monitor, so I am considering buying a new LED backlit monitor, and using my current one to extend my desktop.
Suggestions? I'd prefer to stay with Dell but I don't really know what's around? Or would I be better off going with a 30" monitor and selling the 2407 to put toward it?