I do all my C++ / Objective-C development on a 13" mid 2012 MBA, and it works perfectly. If you have to do a complete recompile it takes a bit longer, but overa

I do all my C++ / Objective-C development on a 13" mid 2012 MBA, and it works perfectly. If you have to do a complete recompile it takes a bit longer, but overall, for me it's pretty good. I'm now getting this new Macbook. Can't beat portability.