abcdelight: Don't make the mistake in comparing LCD to CRT for things like photos or especially video, since LCD isn't going to match up.
A lot of the things you mention you'll see in the S-IPS as well, though not moving your head or position to see different effects on the screen; in that respect, S-IPS is a lot like CRT.
I can't speak about the NEC, but I'd play the Dell lottery some more so you have more of a basis for comparison. Not to mention that it's about twice the price.
You can't win if you don't play.
A lot of the things you mention you'll see in the S-IPS as well, though not moving your head or position to see different effects on the screen; in that respect, S-IPS is a lot like CRT.
I can't speak about the NEC, but I'd play the Dell lottery some more so you have more of a basis for comparison. Not to mention that it's about twice the price.
You can't win if you don't play.