The 2-in-1 tablet category that Microsoft pioneered with the Surface Pro series has been the reigning champion on PC portability. But traditional clamshell laptops are catching up -- as shown by the newly redesigned version of Dell's XPS 13. Both the new XPS 13 (which debuted in early January) and the latest Surface Pro (released last summer) get high marks on portability, while also offering the sort of performance needed for serious productivity. Which of the two devices is the better fit for your needs? What follows is the CRN Test Center's comparison of Microsoft's latest Surface Pro vs. Dell's new XPS 13 on price and specs.