Microsoft's Surface Pro 9 is the latest iteration of the popular line, bringing some interesting changes to the Surface Pro 8.

Microsoft's new Surface Pro 9 merges the best of the Pro 8 and Pro X to remain as the flagship 2-in-1.

For the 10th anniversary of the Surface line, we get a few new tweaks, plus a new 5G version.

Microsoft's Surface Pro 8 has been at the top of a couple of best-of lists since its introduction. But the Dell XPS 13 2-in-1 represents a new challenger.