[nextparadigms]

If Microsoft can move to ARM, so can Apple. ARM chips don't have to beat Intel's most powerful chips from the start. They just need to get good enough for a Macbook Air, and then transition them to the other notebooks once they become more powerful over the coming years.

[ecuzzillo]

A key selling point of the Air is that it is a full-fledged Mac computer. If it has to run normal Mac applications in an emulation layer, which will undoubtedly be slow because the Air's processor is not powerful, this will not be true.