Hi In January I am starting a graphic and web design course and I've decided to splash out on a Mac. I will be using mainly Adobe products such as PS, InDesign etc. Will the 13" Air (8GB) be powerful enough to keep me going for the foreseeable future? I know the MBP retina would probably be a better option but I can't justify that additional expense. Also, everyone says the Airs come with the Haswell chip but I can't see any mention of that on their store. Have I missed something? Thanks.