Sorry, 2008, aluminum body, oldschool (left side)
---------- Post added 2011-03-27 at 01:48 PM ----------
And the answer is no, a battery which needs to be replaced will still underclock the system. Third battery hear i come.
I've replaced two hard drives, three power cables, and two batteries already on this, and got a warranty replacement on the logic board. These things don't last.