Neil surely the more controllable a car is the more fun it will be as you'll be able to get more form it. Or are you after the almost fear fact that at any point it's going to bite you on you're **** and dump you into a kerb or Bush which makes it fun for you
To be honest yes I like it more on the exciting side of things. If it's still going to be tail happy but more controllable then I'll put a diff in it. But if it's going to numb the car off a bit until you actually want to break the back end away then I'll probably just leave it be