I am more of its the player not the class type. I use all 3. My raid group uses a mix of the 3, usually 2-3 locks, 1-2 Titans, and we always have 2 hunters for sword in case one of us goes down. We can usually clear the hard raid in 30-40 mins with one run on deathsinger and crota as long as nothing glitches... That being said, my hunter is my favorite, followed by warlock, then Titan last, just because defender is kind of boring. I like both classes on the other two. I usually run hunter when I play pvp and usually hold my own with it....