The Dell is definitely a better buy, but Dell says that it only works with Dell computers.
Quote:
From Dell's website The Dellª 3007WFP requires a DVI-D dual-link graphic card that supports WQXGA (2560x1600) resolution. The 3007WFP is optimized to work with Dellª XPS 400 and 600 desktops, Dell Precisionª Workstations (380, 470 and 670) and additional systems that support WQXGA. |
The Apple display is almost identical to the Dell, but it is designed to work with all computers using a DVI-out video card.
The biggest difference between the two is the Apple's 400:1 contrast ratio to the Dell's 700:1 contrast ratio.
I'm going to guess that Dell measures their contrast ratio in an optimum environment to get that kind of number. Apple most likely tests in a real-room situation to get their numbers. (400:1 is a more realistic number than 700:1, although 700:1 is theoretically possibile. I doubt that two monitors using the same kind of technology would actually emit such dramatic differences under the same circumstances, but I could be wrong.)
For practical purposes, I would choose the Apple display because it'll work with any computer using DVI rather than just one type of computer. (And I think it looks better than the Dell

)