Webinar: Adobe Customer Journey Analytics Product Innovations: A Quarterly Overview. Come learn for the Adobe Analytics Product team who will be covering AJO reporting, Graph-based Stitching, guided analysis for CJA, and more!
Both of these requests have been implemented, actually. Bounces and Bounce Rate are now available as metrics in ad hoc analysis, and a Bounce Rate segment is created simply by doing Visits (or Visitors) where Visit Depth = 1.