As for the Shield as faces, I'm not saying that can't work, but you don't give that payoff away in one fell swoop. They're over as heels right now and it makes WAAAAAAY too much sense for the faction to use them as their muscle. I mean, it makes so much sense it's painfully obvious. Predicting the Shield as their muscle is like predicting what the Sun will do tomorrow morning around sunrise.
If you want to turn the Shield face have the faction keep doing like they did on Raw and overwork them until the point they get abused, then they get frustrated, then sometime down the line (AND ONLY THEN) they get sick of it and turn.
If they turned on Raw you immediately kill all of the heat they just gained by HHH and Orton's heel turn.