You don't really expect Microsoft to let Apple own the tablet space without a fight, do you? There have been a number of rumors bubbling around over the past year or so, involving the company's top secret work in the space, reportedly led by Xbox/Zune guru, J Allard.

Among the evidence was that "magic wand" patent discovered earlier in the year. Microsoft's Surface team is also supposed to be part of the mix--which, of course, makes a good deal of sense--after all, the Surface is, more or less, something of a giant tabletop tablet, right?

The project, which has been alternately referred to as Oahu and Alchemy Ventures, also seemingly gained a bit of legitimacy with the following Microsoft job ad for a Senior Program Manager,

Excited by Xbox 360? Fascinated by the technology that powers the Surface? Ever wonder how your Zune HD got built? Bring your talent and passion for building great products to the Manufacturing Test Engineering team! Our team is where all these cool products and more come together.