The ultrabook concept sounds like it's destined for niche life. If the reports are true, that their reference design leaves no room for PC OEMs to build an ultrabook cheaper than the macbook air while maintaining their already-thin margins, there doesn't seem to be any hope for it in the consumer segment.

And the article's focus on security features as value-adds suggests that Intel knows it. So if we're talking about a military/government/corporate product, how much threat would tablets be posing anyway?