Central sharpness is very good at f/1.4, excellent from f/2 to f/8 and very good at f/11 and f/16. The edges are also very good at f/1.4, excellent from f/2 to f/8 and very good at f/11 and f/16 ...
Bokeh is relaxed and pleasing to the eye, and 50mm lenses, certainly fast ones, do benefit from the ability to throw backgrounds out of focus. This is especially useful with portraiture.