Just the Apple Air, I'd bet. Don't forget that Apple has spent years getting everyone on Xcode, and disciplining them to avoid the parts that would make a reco

Just the Apple Air, I'd bet. Don't forget that Apple has spent years getting everyone on Xcode, and disciplining them to avoid the parts that would make a recompile & test straight-forward. They also have a "good enough" office suite (for many people), as well as the iWork apps. Such a device could potentially also run iPad apps without much change.