Macbook Airs tend to laser engrave quite nicely, (Managed to get my 2011 refurb air done shortly after buying it) but I'm guessing doing so actually voids the warrenty since it's a modification. Or would it? Obvisouly if you're stupid enough to hit the translucent apple logo and burn your display then there's no way one could expect apple to fix that under warrenty. But say if you had it engraved on the lid on a new macbook and the logic board failed 6 months later would it be resonable to expect that to be repaired/replaced under warrenty? Thinking of getting a new Air or Pro/Retna and part of me wants to get this one engraved as well as I quite like having a macbook that looks different than everyone elses, that and a laser engrave is much more perminant than just sticking vynals on the back. That said mac's aren't cheap so I'm wondering if it's playing a rather dangerous game.