I've also been looking through it quite a bit, best I could find is this:
DPS Focus
Strength 7.0 > Crit 4.0 > Haste 3.6 > Vers 3.2 > Mastery 2.8
Survival Focus
Haste 3.5 > Vers 2.8 > Mastery 2.4 > Crit 2.2 > Strength 1.5
I've seen a lot of discussion on it and I'm still not entirely sure if this is correct but should give you some idea.
I'll personally will be going for a more balance approach so something like:
Strength > Haste > Crit = Vers > Mastery