Don't reforge parry and dodge to expertise and hit.
The boots from Dragonmaw reputation are better than yours.
The cloak from the Thrall + Aggra questline is better than yours.
Do tol'barad dailies (about a week) for the mastery/spell resist use trinket.
Arbiter of light is a crap talent, put one point in Rule of Law and one in Pursuit of Justice.
Hallowed Ground is also a pretty crappy talent, put the points in Eternal Glory.
Glyph of Crusader Strike(prime) instead of Hammer of the Righteous for single-target tps.
Oh yeah, and read my guide (see the signature )