When StyleGAN2 came out I played with the original NVidia training set for about a week - and when I say a week I mean I did nothing else, day and night, for a week - just exploring "seed space" to see what variety of faces would come out, trying to select for certain faces, etc... I had a grand old time with it, but what you discover in the end is that the models can not nearly generate every imaginable human face. For lack of better words I would say there was a certain "averageness" to the results. By the way beautiful faces tended towards Isabella Rossellini so apparently she has the "most average beautiful face" :) So for sure this generator has blown away everything that came before, but there is still plenty of room for improvement IMO. In the end what impressed me most was the hair. It does hair better than any other software that I know of.