I was hesitant on greens at first, because my trial of black switches was somewhat tiring. However, greens have been quite pleasant to not be pressed so easily as with blues, and without the annoyance of the black's linear nature.
The only fatigue happens with a lot of typing (on top of my zinc alphas), where switching back to my blues would be more beneficial. But for general usage and purposes, I prefer stiffer and tactile. I'll have a better viewpoint once I get around to trying whites and clears, and seeing where they fit in my preferences.