You could have a look at the Eizo S1910. I dont know exactly what it is like compared to the other Eizos you mentioned but its a great monitor, too.
I think Eizo L768 or Eizo L778 would be best for you. Instead of the NEC1980SXi I'd look for the 1980FXi which offers even more features at same or less price.
The Eizos offer a 10Bit LUT, which improve the colour accuracy. In our reviews the Eizo L778 and S1910 had a very high precision we measured with a colorimeter.
Unfortunately we didn't review the other displays you mention that way. So I can just recommend the two for your applications and perhaps further L768 because of our chief editor's experiences with this one (he has an L768 and a L797 and by the way the latter must be the non plus ultra in imaging quality refering to what he tells about it 
). But L797 here costs about 1000 EURO and so doesn't fit into your budget even if you got it the US.
Greetings Rinaldo
