Damien Lovegrove's latest comparison: of five Fujifilm XF lenses pitted one against another in head/shoulder, close-up, and full-body portraiture battle, is a wonderful tool for dissecting the differences in XF bokeh, OOF rendering, colour, and sharpness.
Source: Fuji X series portrait lenses compared inc. 56 APD and 50-140 zoom
via DPReview: fuji portrait lenses - compared