Yep, pretty much what he said...
Got Saint 14 when it was available and bought Inmost Light this week as well from my Titan, but then again I prefer having helmets as my exotic armour piece... also think each of those helmets work really well for the two Titan subclasses.
I have like three exotic helmets for my titan, but I haven't yet bothered with using any of them even with how good saint-14 and inmost light are...
Simply because of the two grenades ugly as hell The Armamentarium body piece. The utility of two grenades especially lightning grenades in PvP is too damn good.