You are *so* right - I went back and re-read that, and my assumption that *all* 2piece bonuses would become exclusive is wrong, they were talking only about PVP 2piece bonuses.
But to distract from my mistake, here's some good news from Redscape!
"I have an update on stat weights for 4.06. I caught a bug in my spreadsheet where I was calculating HoL damage based on CS/TV swing damage *without* crit and glyphs factored in. This caused both crit and mastery to clock in lower than they should have and also underrepresented our dps.
The current best estimate I have for stat weights is:
Weapon Speed 174522
Weapon DPS 872
Strength 232
Hit rating 175
Exp rating 134
Crit rating 94
Haste rating 67
Mastery rating 99
Of course, as usual, the Hit/Exp weights are for precap values, clearly they are really worth between 99 and 94 depending on how reforging math works out.
This is a substantial shift as it means that haste is noticeably worse than the other stats, mastery is definitely our best secondary stat and my current estimate for our dps improvement when patch day hits is 18.4k -> 21.4k for 16.3% improvement."