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There is a large amount of chatter regarding the new glossy LCD screens on the MacBooks, and the option to have one on your MacBook Pro. I found an amazing link to page that describes what the technical differences are, and why you want one or the other.
It seems to me that it comes down to your viewing habits- if the majority of your work with the laptop is going to be in a well-lit space, like and office, where you don’t have so much control over the lighting conditions, you are best off with the non-gloss (matte) panels. If however, you work mostly at home, or in some darkish coffee shop the sharpness and the clarity of the glossy LCD is undeniable.
I’m favoring the gloss, since I get to work at home most of the time.