Had mine a good while now, here's my take:
Pros - the bike takes up less space in the garage, makes it easier to clean, comes in handy when working on it - especially when removing/replacing the fairing, windshield or shocks, or changing fluids. I almost always use it when getting gas.
Cons -when I need to get the wheels off the ground by more than an inch my motorcycle jack doesn't work well with it, it drags in some road to driveway/parking lot transitions, it does add weight to an already heavy bike. I hardly ever park it on the center stand anywhere but at home, I believe it is more stable on the jiffy. Sure wouldn't be hard to be tipped over, I've almost done it a few times unintentionally.
Sometimes I think I might rather have a stationary wheeldock rather than a center stand but that would mean I'd have to sell what I have and buy something else. Got me thinking now...