I wonder what the differences are that result in that huge difference in pricing?
I think in the application being talked about here going for the cheaper model makes much more sense.
But, for me, it makes sense to have a monitor like this. It gives me a known calibrated constant to work from, and while you can argue you get the same result from an external device it's nothing like as good as the Eizo solution.
I've tried for years to get colour calibration right, it took me literally minutes with the CG277. I've done test prints, looked at my images on other monitors and have been nothing but impressed with it. One less thing to worry about in my professional life.
Not a fan of Apple monitors for photo editing, always makes my images look far better than they are, so when you pass a picture over to a client you can't be sure they are seeing it at it's best.
Cheers
Cris