I've not flown it myself, but if you leave it in GPS attitude mode, the Naza controller takes over and it's about the most stable thing you'll ever see (and with the active camera gimbal, the footage is incredible). And according to Ade, is an absolute breeze to fly.
You can of course switch it to Attitude control mode and it'll behave like most other models - I.e, really skittish
In science one tries to tell people, in such a way as to be understood by everyone, something that no one ever knew before. But in poetry, it's the exact opposite - Paul Dirac