I like Enslaving Fire with Hunger for More. And Enslaving Fire really only becomes useful at 4 or 5 points. Before that, it's a waste of a spot.
As far as major AA's are concerned, I think all 3 major AA's are useful. FtB is really helpful in fights with a ton of casters and rangers, PoT is decent if you need some quick burst damage and RSoX is just a well rounded offensive/defensive perk.