I just bought a MacBook Pro with Retina Display. I am still trying to get used to the small storage space. I have the 512GB SSD. I managed to use all but 131GB of my storage. When I check my storage, it says most of it is "Other". I'm not on my MBP right now, so I'm not sure how much is taken up by other. It's a lot though. How do I get rid of the stuff that's taking up all of this space? I use external drives for everything but apps. Any advice?