I fear this might be shitheaped, but I guess something good could come out of this.
Proper gear, (extreme) potion usage and some skill can almost make up for being prot specialized.
One of our MTs has been 2nd on damage meters on an Aran kill, with his 8/5/48 spec.
Also I found this on google:
http://video.google.com/videoplay?do...78439938870348