If u plan to upgrade your monitor you should consider Samsung SA850.It should be available in another 3 months.
Samsung SA850 features ....
> It uses Plane to line switching(S-PLS) which is a competitor to IPS which is 10% brighter and 15 % cheaper.
>Size is 27 " / resolution is 2560*1440.
>WLED backlight(80x LED bar) unlike Dell`s CCFL.
>16.7m colours with 8bit+AFRC panel.Dell has advantage here with 1.07b colors/12 bit(10 bit+ processing)
>5 ms GTG with overdrive/12 ms ISO response time,Viewing angle 178 deg
>Has Display port,dual DVi,HDMI and 3*USB 3.0 ports.
>Has height adjust, tilt, swivel and rotate support.
It should be cheaper than Dell`s 27 inch, only compromise is color.
Samsung SA850 features ....
> It uses Plane to line switching(S-PLS) which is a competitor to IPS which is 10% brighter and 15 % cheaper.
>Size is 27 " / resolution is 2560*1440.
>WLED backlight(80x LED bar) unlike Dell`s CCFL.
>16.7m colours with 8bit+AFRC panel.Dell has advantage here with 1.07b colors/12 bit(10 bit+ processing)
>5 ms GTG with overdrive/12 ms ISO response time,Viewing angle 178 deg
>Has Display port,dual DVi,HDMI and 3*USB 3.0 ports.
>Has height adjust, tilt, swivel and rotate support.
It should be cheaper than Dell`s 27 inch, only compromise is color.