i want to buy the grey incase however, there is the macbook pro incase and the macbook pro unibody incase. i don't want to go through the hassle of ordering it and then having to return it if it's not the right one. can someone help me out please 
thanks
Recent Macbook searches: how to tell how old macbook is, how to tell if macbook pro is unibody
The unibody macbooks are made of a single piece of aluminum, so they don’t have a plastic rim around the computer. Also, the bezel around the screen is black instead of another sheet of aluminum.
‘http://www.notebookcheck.net/uploads/pics/ibNAinnlQ5XKQXpH_01.jpg‘
the laptop on the right is the unibody one.