I do most of my heavy work on a 27 inch iMac but when I need to take the work, to work, where there is only a smattering of older windows desktops (long live the non-profit!) for several years I've used a 2013 11" Macbook Air...for everything including Photoshop, InDesign, and Illustrator. While not the best scenario for your sanity or your eyes, I'm surprised that most times my tiny might Air has done well considering my only other alternative are machines that totally suck. The hubby now needs the 11" MBA for traveling on a daily basis and I am in need of something portable when I have to work "at work"...A souped up 13" MBA is my first choice coming in around 1800 bucks if I opt for an i7 and a slighter larger SSD...remember I'm using now an 11" inch 2013 MBA with a 128 SSD. I gotta admit I love the lack of weight carrying these things around. The other option is a MBP with Retina and I know several folks that like them and feel they're great - I had an old MBP non Retina before the Air. Trouble is - souping up the MBP and I'd probably then opt for a 15" and if I add an i7 to the mix I'm looking at quite a bit more. Any suggestions? Anyone work on both? And remember, I really like the non-heft of the airs when carrying everything else i need to in my backpack. thanks.