That heli is bigger than you are lmao.
What my point was with my point is, the heli can over come the CoG issue. Since you can put force on any part of the disk when it's spinning, it's easy to correct. Lets say it's nose heavy, you can add back cyclic to force more air down on the front and up on the rear. It will still hold it in a hover and stil be stable somewhat. However, if you get a gust of wind, translational lift will take over and it will start pitching to the back.
As stated, it's best to have a perfect CoG, but a little out isn't going to hurt anything. I just checked my 450 for the first time when I read this thread, and to my surprise, it's dead on lol.