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is there anyway of closing the macbook lid.. and it continuing to run and not going to sleep?

InsomniaX is the only one I've seen that is anywhere near mainstream. I did find one that very few people use, but it is not free software. It looked pretty good and the trial was pretty inclusive, however for the very small amount I need this program(downloading, using front row on second display, etc) I just figured I would stick with InsomniaX. I suggest you do the same, as it is a great, easy to use program.
 
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