I would not worry the slightest about the glossy versus matte choice. Whatever you get you will lve.
The computer is so well made and robust. I can work with many programs open, CS2, iview, Mail and more and there's no issues at lall.
This is simply way above any machine I've had.
Notwithstanding Edmunds color expertise, which I am happy to aknowledge, one can edit if one has to on this laptop.
Most of what I do is non-destructive so it bothers me zero if I'd have to touch up color later, which I have not had to do. In practice, I think this book can be used for on site photo delivery and for checking the images in shoots.
I personally am happy with a matte screen. It just annoys me to see reflections!