These are the conversion rates i've got, there may be some small errors in here

per point

Mastery DMG 0.199992543
Mastery Healing 0.139997017
Mastery Crit 0.000724033
Endurance 14.00031384
Power Healing 0.16999704
Power Damage 0.23000296
Crit Chance 0.004131407
Crit Multiplier 0.004131407
Alacrity 0.003616287
Accuracy 0.003847695
Shield 0.005567082
Absorb 0.005437743
Defense 0.002358176

Old alacrity breakpoints no bonus/3%/5%
1.4 1213
1.3 3206
1.4 663
1.3 2374
1.4 331
1.3 1895

New Alacrity Breakpoints no bonus/3%/5%
1.4 1968
1.3 5202
1.4 1076
1.3 3852
1.4 537
1.3 3075


Accuracy 5% 1040
Accuracy 10% 2340

Crit i dont have solid numbers on yet but its dropped significantly

this is based on numbers from my characters on PTS and obviously subject to change