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Kidneys-
It needs to be able to typeset and make simple graphs in indesign/illustrator. It needs to be in my hand by Friday PM. It needs to function without mains power for approx 5 hours. No peripherals, nothing else. That's all.
Primary work machine is a 15" MBP plugged into a thunderbolt display, and I plan to keep it that way for the foreseeable, so I'm ok for intensive use, and I'm happy enough to carry that about for work when I have to. I just want something a little more portable that I can sling in a pannier on tour without losing space or risking my main work machine really, but without compromising what I can do on it.
6pt
been looking at 2nd hand air on ebay for a while now, there aint that many with 8gb around and people tend to want silly money... I am about to bite the bullet and get a new air for the same reason, my repalcement 15 inch is lovely, but the thought of carrying it everyday kills me... macbook is just too expensive.