Analyst Ming-Chi Kuo expects price cuts on Apple's new MacBook Pro and MacBook lineup in 2017. He also mentions a new MacBook Pro refresh bringing Intel's Cannonlake CPUs and up to 32 GB of RAM to the MacBook Pro in the second half of 2017.
http://www.notebookcheck.net/Apple-MacBook-Pro-Should-you-wait-another-year.182068.0.html
Might as well. Even if price drops and memory options does not materialize, you can get top notch refurbs for cheaper.
Or skip it altogether if you create media, which that keyboard makes a chore: get the 2015 version or a Linux laptop.