Okay guys so here is the issue. I am a college student so I'm trying to save a much money as possible. I can get the new 11" airs from bestbuy for about $900. Since I'm cheap I saw that Amazon had a used very good condition MacBook Air 2012 11" for about $700. Do you guys think that's the better deal? I'll be using it for college and while battery is important, if I'm at the library there will always be charge ports. I'm just worried if I got the older model and I keep charging it that the battery overtime will die. Someone help?