I am thinking about getting a refurbed 27" LED cinema display. Would save me 150$ from buying at the apple store. I am curious if the display comes with any of the cords I would need to connect this to my new 2011 MBP? If not, which cords do I need exactly? Thanks for the help. Also, I see they have the 30" on the refurbed site as well. What exactly are the differences? I know that the 30" is an older model and isn't glossy finish. Other than that is one superior to the other?