Originally Posted by
laplacedemon
The difference between Shock Pulse Robes (WF, spirit -> mastery reforge) and Shadow tier is -15 int, +206 crit, -934 mastery and +1061 spirit though. I'd say ~900 mastery is a fair trade for ~200 crit and some subjectively not needed spirit. (As the guild's unwanted gear trash can, I have them all and I am using shadow tier for disc since Thok refuses to drop the chest)
On the actual subject... I doubt 420 int to be worse than 480 crit, although at this point of time I doubt the difference is noticeable by any means.