Hello, i have a macbook and there are only three vents on it. One long one in the back and two little ones to the side of it. As i see other laptops made by Dell and such, there seems to be more vents and thus I think it is the reason why macbooks get heated up more than other laptops. ANYWAYS, to my question, is there a way I can replace the bottom casing of my macbook to a shell that has more vents? (i.e. on the bottom) I am not talking about cases that protect/cover the macbook, but the bottom white case that surrounds the battery and such and that are bolted down by screws. PLEASE TELL ME if there are these kinds of cases that are sold, or if anyone has done this. Thanks.