I have started to use Simulationcraft a little bit to get known to the scaling factors.
Mastery is scaling better in a figth with more movement. Heroic Zon'ozz for example.
Lightmovement fight
http://s1.directupload.net/file/d/2838/ezbwtpi3_jpg.htm
my Armory
http://eu.battle.net/wow/de/character/k ... t/advanced
