Don't forget that if you also want to do any serious work for iOS or OS/X, you need a Mac. For portability, get a MacBook Air 11", for a powerhouse get a Retin

Don't forget that if you also want to do any serious work for iOS or OS/X, you need a Mac. For portability, get a MacBook Air 11", for a powerhouse get a Retina MacBook Pro 15". If you want something in between get the Retina MacBook Pro 13".