So I've convinced myself to get a mba over a mbp as my main laptop. This will be my first mac and extremely excited for the new mba. I'll continue to keep my main desktop a win7 pc. I have a 32gb iphone which is synced to my PC. Now, I was excited to link up my iphone with my new mba for synergy, but then I realized my mp3 collection is around 60gb. Granted, not all the songs are on my iphone, but I like the idea of being able to pick whatever songs from my collection and drop it in there. I was planning on just making my mac the homebase for all my apple products (iphone/ipad), but after realizing the 60gb collection, would a 256gb SSD mba suffice for that? Also, I wanted to install bootcamp/win7 on my mba. Dang, this might push me to getting a mbp just for the ease of my mp3 collection/ios apps, but I really love the design and portability of the mba. Advice? How about if I have an external HD to my mac with my collection? But if I'm on the go without it and I sync my iphone, will it erase all the songs from my iphone since the external isn't available?