Have you considered just running Ubuntu on a MBP? I've successfully run it on a non-retina machine, and currently have a 2013 MacBook Air running 12.04 (I'm to

Have you considered just running Ubuntu on a MBP? I've successfully run it on a non-retina machine, and currently have a 2013 MacBook Air running 12.04 (I'm too lazy to update). The installation is fairly simple and just about everything worked out of the box.