I've just respecced prot (and am loving it), and have found that it's like playing a new class!
And as with each new class there is a different rotation to be learned.
At the moment I'm using Charge > Shockwave > Concussive Blow > Shield Slam > Devastate, and then I'm pretty much spamming Devastate unless Revenge comes up or one of the others comes off CD.
So what i want to know is: is this an effective rotation?
Please note that this is for levelling purposes not tanking.
Thanks for your replies.