Leaker Evan Blass has recently leaked fresh new high quality renders of both Mate 9 models coming on November 3rd. He also revealed, that pricing my be unusually high for the maxed out version.
http://www.notebookcheck.net/Huawei-Mate-9-Pro-Evan-Blass-reports-pricing-of-up-to-1-300.181399.0.html