Kensington has announced the availability of the SD7000 dock for the Surface Pro. The SD7000 dock connects to the Surface Pro using the Surface Connector and provides USB ports, Ethernet, USB-C, HDMI, and a DisplayPort converting the tablet into a mini Surface Studio of sorts.
https://www.notebookcheck.net/The-Kensington-SD7000-Surface-Pro-Docking-Station-adds-even-more-versatility-to-the-Surface-Pro.317330.0.html