And it is pretty amazing that Apple packs in quad core CPU to the very slim package. Of course the drawback is that you don't get onsite repairs with this construction, but still. Compare this to for example Lenovo quad core models which are quite rare and thick.

On the Wintel side the more powerful machines seem to be more or less targeted to very specific use cases, like CAD and these computers are more like portable workstations than laptops.