Just for clarification :-
Diablo 3.0 is the same top down fantasy type game as the other two Diablo games, but its crap.
Torchlight 2.0 is the same top down style game as Diablo 3.0 but better.
Torchlight 2.0 is free?
I ask as I might be dragged kicking and screaming into it at some point.