RT's lackluster sales and noticeable absence from this announcement makes me think Microsoft could be narrowing focus to just x86 versions of Windows going forward.
They said nothing about RT so I think you are right and the main focus will be on full win8 experience with Intel for what is related to 12'screens. For the smaller I think RT can be still part of microsoft strategy, at least to fight in the low price market zone.
RT seems to be a better fit for the rumored 8" device. I imagine Microsoft is attempting to reconcile RT on smaller devices and Windows Phone on larger devices (phablets).
Microsoft is well positioned to combine RT with Windows Phone, I'm guessing 2 years out?
RT's lackluster sales and noticeable absence from this announcement makes me think Microsoft could be narrowing focus to just x86 versions of Windows going forward.