Do NOT get a curved monitor!!! I can't state this enough. It is complete utter market fad crap. There are really only 2-3 reasons for a curved display, one being that it is the screen for a projector system that is curved so that the light being projected across the entire screen can be at the same focal length (the edges of a flat screen are farther in distance than the center of the screen would be assuming the projector is centered on the screen). Most all other "curved" displays popped up after the high end curved screens came out trying to be the "hey, look at me, we are curved because those other high end systems you saw which used projectors were curved, so we are too"....
I mean, ok, if you have a 30 inch TN panel which you sit close too, yes, you have another reason for having a curved display (because the off angle viewing of that type of panel is horrible and you would notice a color shift on the sides of the screen if you are sitting too close). But there is no reason in the world that you should purchase a TN panel anymore, and an IPS panel or similar will give you 178 degrees of viewing angle without picture color shift. After that, you are really pushing it for a valid reason.