Is there an actual question here, or is it just a couple of unrelated comments strung together? As it looks an awful lot like the latter. If you have a question you would like an answer to, you will need to pose it far more clearly.
so. What's about that problem with haste?
I see many rogues which have around 2600 ~ haste and then try to reforge on mastery?
What do you think about that?