I mean, it's clearly available as a cheaper + faster alternative to the rMB. Buying the Air isn't a dumb choice by any stretch, a similarly-specced 11" Air (8GB

I mean, it's clearly available as a cheaper + faster alternative to the rMB. Buying the Air isn't a dumb choice by any stretch, a similarly-specced 11" Air (8GB RAM is the only difference) is $200 cheaper and more powerful than the corresponding rMB.