KBird:
The Surface Pro 3 is an Atom-based architecture which is waaay different from the ULV i3/i5/i7 they used on the Pro models of the same vintage. I don't know enough about that architecture to...

My older Lenovos and Dells haven't gotten updates yet but those vendors say they're coming. Nothing from MSI yet, either, nor even any discussion of the issue on their forums. It's gonna take awhile...