Microsoft Enlarges Surface’s Screen So It Can Be Used for Work, Too - NYTimes.com

I have also seen speculation suggesting Windows RT is finished and that the mini Surface will run the next version of full Windows. In the meantime, Office for iPad works quite well...

"The Surface team felt the smaller device was not ready, in large part because of software issues, this person said. Microsoft has not completed a version of its Office applications for touch-screen devices running the company’s Windows operating system. Microsoft was concerned that the current Office applications would be difficult to operate on a Surface with a small screen, the person said. A version made for Apple devices has already been released."

Microsoft Enlarges Surface’s Screen So It Can Be Used for Work, Too - NYTimes.com