I know I've read all the threads and stuff.. but I need advice on what I should do with my macbook.. It heats up to 80C when just browsing online and chatting. Now the fan is running all the time. I feel like I never noticed that the fan would run.. but now its moooing all the time. Oh and if I burn a DVD it goes up to 93C. Is this normal?? Am I just noticing the fan? Or what should I do?? Thanks!