The new Whiskey Lake processors for laptops were announced at IFA. Lenovo used this opportunity to unveil the extremely thin Yoga S730-13IWL. Now, Lenovo will apparently launch another Ultrabook with Whiskey Lake in the near future - the new IdeaPad S530-13IWL should be much cheaper compared to the Yoga S730.
https://www.notebookcheck.net/Lenovo-IdeaPad-S530-13IWL-New-Ultrabook-with-Whiskey-Lake-GeForce-MX150-slim-bezels-surfaced.337354.0.html