Hi, I'm looking at buying a new macbook pro, likely the new 13" retina, and would like some help with the storage amount as I want this to be a computer that lasts me a minimum of 5 years given the price. I use my current laptop principally for internet, media, some microsoft office stuff. Main use is media as I live abroad and have an apple tv, hence consume a lot of films, tv shows, music etc. My itunes library is currently at close to 500GB, but I have recently bought a synology NAS box to hold my itunes library which works reasonbly well and allows me to access media from my ipad and wife's computer as well, though unfortunately not my old apple tv (it's first generation). With the NAS, this leaves my current storage on the laptop at around 75gb. Initially I was thinking of getting the 512GB (the bigger the better), but the more I think, when will I ever use it given the NAS, and maybe 256 is better suited (or maybe 128). I also need to purchase an external hard drive to back up my NAS (scared this will fail and with it all my media). Does anyone have advice what is a good one to buy? Something relatively small that will be connected to the NAS and back up regularly (weekly). Sorry for long post and any help/comments would be much appreciated before I burn a ton of cash. Thanks, Les.