best single target rotation for shadow priest for 4.3

So i have been playing my priest and have seen big dps probs so i found this rotation and it helps hella,

I was mind flaying way to much this is the single target rotation thats best and it is super bad ass lol >>>

4.3 Single Target Rotation: Shadow Priest

Below is a list that shows all of the abilities & debuffs you'll be using, and they are listed from highest priority to lowest.
1. Shadow Word: Pain -- keep active
2. Mind Blast -- if Shadow Orbs
3. Vampiric Touch -- keep active
4. Devouring Plague -- keep active
5. Mind Blast -- if no orbs
6. Shadow Word: Death
7. Archangel
8. Shadowfiend
9. Mind Flay -- channel when nothing else to do

I hope that this helps all the other shadow priest as much as it has helped my dps

BRON>>