Not to mention what's the performance like on battery vs. plugged in. If I have to stay tethered to the wall in order to achieve the rated performance then it's

Not to mention what's the performance like on battery vs. plugged in. If I have to stay tethered to the wall in order to achieve the rated performance then it's not really an apples-to-apples comparison unless you only ever use your laptop at a desk (which is probably most people, honestly).