That's not all; Microsoft is reportedly developing Surface Pro 12 and Surface Laptop 8 models with rumored Snapdragon X2 CPUs. Apparently, these are expected to launch later this year. Of course ...

Hewlett-Packard aims to trump Microsoft's Surface Pro 3 with its own Windows 8.1/Windows 7-based HP Pro x2 612. The HP product, which functions as both a high-powered notebook and tablet ...

It's sturdy enough that the tablet doesn't flex or creak, but light enough that holding the Elite x2 isn't a chore. There's also an embedded kickstand, something the Microsoft Surface made popular.

The Microsoft Surface Pro 7 is the 12.3-inch incarnation of Microsoft’s hugely popular 2-in-1 Surface. It packs all of the power of a laptop into the touchscreen functionality of a tablet ...