Yup, I was mistaken, the best stat priority fow WW atm is: agi>crit>haste>mastery
But agi and crit are your best stats, by far.
Haste is very valuable, but WW gets it in almost all of their gear, so no need to put in Haste gems. Just go Agi in red slots, agi+crit in yellow and agi+pvp power in blue and reforge all your mastery in either more haste or more crit, depending on what you want to do with your monk :)