I think that is the elephant in the room - or if win 8 arm will only support metro

we may be in a situation where win 8 though scalable across platforms will not allow all features on each. so tablets will remain just big phone's without the phone.

the writer's use of the tablet jives with most who have the upper end- it is difficult to ascertain true tablet sales since even the most basic e-reader is labeled a tablet in the survey's