demo stats?

[gez]

does mastery>crit or crit> mastery im still confuse

[Jacus]

1)Dwonload simcraft: http://code.google.com/p/simulationcraft/downloads/list
2) Sim your charracter. There are a number of guides available (for example http://www.wowhead.com/guide=100/sim...your-character or http://www.mmo-champion.com/threads/...onCraft-Thread or just type simcraft guide into google or yourtube. It's very easy to use and will give you the best answer for you.
3) Get stat weights for your gear and win