its clear to me what we should expect from the new belt
sphere
simply put its on everything now and monk has very few sphere items for general use, and well lets put it like this,, if you are fighting witha master you would be motivated by him/her no doubt about it so just taking those oppinions into account sphere must be a viable choice.
i expect something ridiculous like the following
15 str
15 haste
- 15 damage taken
- 15 subtle blow
sphere - subtle blow haste pdt + 5
making actually wearing it grant you sphere or perhaps a new sphere version so we can have multiple effects of sphere esque effect active, it would give a ridiculous personal boost and a great boost for a whole DD party meaning aquiring it will be extremely difficult and restrict it to the true masters of the bushin ONLY! :P
good luck ^^