Lets face it, photographers need high quality screens.
Either you use a MacBook or a desktop you need to have access to see your photos as they really are!
Previous MacBook Pro's did quite well in this aspect but their good laptop screens couldn't compare even with a cheaper calibrated monitor in color accuracy.
Maybe the new retina display that come up recently will change the game but what about color accuracy ?
Here is an interesting article on this matter
It seems the new retina displays can play an important role for photography and portable image editing.
