You'll need to pick up Knowledge: Religion to get into either of these, but if you can swing that these classes do have some nice benefits to most casters and they also have full casting progression.
Sacred Exorcist - Turn Undead (which gives you access to some nifty Divine feats that are mostly Cha based)
Divine Oracle - Evasion, Uncanny Dodge, Trap Sense, divination based bonuses, and the Oracle Domain