Titan Quest was a borefest for me, I don't understand what was so impressive that people praise it so much.
Torchlight got boring half-way and forced me to just rush to the ending so I can say I'm done with it and uninstall it.
Diablo series has kept me hooked for eons. Not to say that the other titles I mentioned above won't be better in some ways, (I expect them to be in some ways) But I think DIII will give me the biggest all around package that I crave for in a game like this. I am actually looking forward to trying all of them:Eternal LineagePaths of ExileTorchlight 2 mainly for music, I love Matt Uelmen (who did the music for Diablo 1 and 2)Grim DawnBut I am looking forward to Diablo III the most, (its prolly my most anticipated title in several years)I Believe it will have the most of what I want in a game like this. I'm personally buying all three as they each look awesome in their own way.