Hey everyone! Just like the title says, I've decided to get the 2015 refurb instead of the new 2016 models! But I am trying to decide whether to get the 1.1 GHz model at $929 VS 1.3 GHz model at $1149. For anyone able to put any input, is there any noticeable difference I will feel? I do plan on using this for school, possibly for some programming as well since I'm graduating in the IT field this year. Any input would be appreciated. I am planning on making the purchase in the next few hours, so any help or thoughts are welcome!! Thank you!