@xhonisr
It's a single player game there are always a plethora of ways to cheat or hack the game while it's running. Will the game ban hammer you if it catches you? Absolutely! : ) Where would the fun be in making it so easy that you just needs Blizz cheats : P?
Is it fair to cheat? Well it's not the way the game is intended, but if it enhances your fun then you can try ; )
Note: The ban hammer only lasts until you load, so you don't have to worry about it wiping out the game cache unless it was changed : P
Edit: I would absolutely like to add that IF YOU CHEAT, please don't post a picture of your deeds on the heroic achievements board unless you also list what cheating was used. It takes away credit from those who legitimately were a boss and beat up the game : )