Just so you know, there's a reason Ultrabooks have been very problematic for other manufacturers. It's Apple's supply chain management tactics. Apple has used economies of scale to great effect. It's actually a simple concept-buy large quantities of components to get the best possible pricing deals.
This is why competing tablet manufacturers have run into so much trouble. Apple has the ability to single-handedly create component shortages. Apple buys up massive quantities of components and secure excellent deals on them. As a result, there is either no supply remaining for competitors or there is such a major shortage that competitors pay through their nose for components, which squeezes their margins.
I see the ultrabooks as an inevitable progression. But its gonna be a tough road for them to gain market shares from Apple. Its economics of scale. The more you can sale, the cheaper you can have your products and that in turn takes market shares from your competitor. I don't know how underhanded Apple is with their influence over components manufacturers, so you may be right. But I have faith that technology will continue to move forward dragging all the manufacturers along.