When AMD announced their second generation Ryzen processors a few days ago the AMD Ryzen 7 2700X was positioned at the top, rather than something like a 2800 or 2800X to match the Ryzen 7 1800X. However, AMD's Senior Vice President, Jim Anderson, has hinted that we might see a 2800X at a later date.
https://www.notebookcheck.net/We-may-still-see-a-Ryzen-7-2800X-at-a-later-date-says-AMD-s-Jim-Anderson.300696.0.html