The Wi-Fi enabled Galaxy Note Pro 12.2 and Tab Pro 10.1 and 8.4 can already be preordered from various online stores and will be available in the U.S. beginning Feb. 13.
http://www.notebookcheck.net/Samsung-Galaxy-Note-Pro-and-Tab-Pro-series-to-hit-the-US-on-February-13.110720.0.html