This question is all about speed. I want a notebook who does everything that i want instantly. My only question is will i notice the difference of the RAM and CPU's between these with my use? My use: Pages, Numbers, Keynote, google chrome, netflix, downloading a song, ... The notebooks to choose from: 1. MB 12 inch entry: 1,1 GHz processor with the 8 GB RAM 2. MBA 13 inch entry: 1,6 GHz processor with the 4 GB RAM 3. MBP 13 inch entry: 2,7 GHz processor with the 8 GB RAM Also, is there a difference in the SSD in these notebooks? I mean read/write speeds.