Hi, I have some issues on my macbook, when im running either starcraft or world of warcraft in the backgrund. Then everything just runs bad and slow. Do you think that upgrading from 4 to either 8 or 16gb will help me? And what upgrade should I do? Money is not really an issue since its so little, but dont want 16, if its not needed. Or is it something else? Andway to check if i should get more Ram or another problem? its fully upgraded with Mountain Lion.