My overall point remains, these effects are marginal compared to the output of fists of fury and hastes effect on Fists of Fury.
Since the majority of the damage comes from the interaction with that spell, its essentially the same as versatility for it since haste increases the damage of it in the same way that vers does.
The additional chi and energy provided by having 35% haste vs 15% haste is not going to net you significant number of casts of Fists of Fury or any other spell for that matter to make a difference – thats kinda why WW is in the situation its in and hence the post