How much will it cost to replace the upper case of my 13 inch black Macbook?

Q. Would it be cheaper to take it to an Apple store [if they can do it overnight, can they?] Or take it to an authorized dealer/repair shop?

A. You will have to get a quote, because that price may very on location and who broken is the keyboard. Call apple care support:1-800-275-2273

Whats the difference between the Black macbook and the white macbook?

Q. besides color and hard drive storage?
the better white one has the same processor speed as the black one.. just a smaller hard drive. maybe its software bundles...

A. The current black one default configuration has a faster CPU and larger hard drive, thus more expensive.

Where can I find a black MacBook or MacBook Pro?

Q. I was just looking in the online AppleStore but couldn't find any of the above mentioned laptops in black color, buy I've heard they exist; my question is, where? And are they genuine? Is there a retailer that carries the black MacBooks?

A. Um, you do realize that the Black Macbook model was discontinued about two years ago, right? If you want one, you'll need to get it secondhand.

There was never a black Macbook Pro.