Here is a good analysis of airBaltic:
https://centreforaviation.com/analysis/airbaltic-the-hybrid-lcc-punches-above-its-weight-back-to-growth-and-positive-ebit-in-2016-338288
I taxied behind one of the CS300s recently - a beautiful airplane and bigger than I expected. Any flight reviews of it yet? Anyone on Pprune fly it yet?