Silversurfer is talking about that most dangerous of times, the transition from flying "on the wing" to true high alpha, 3D. That's when you can really get into trouble and the need for a fast transition, as he says is very real. I often use a wall to get through it as quickly as possible. Once you're in a true, high alpha harrier, the wing really isn't lifting much. And once you can control the rock the transition from harrier to hover can be wonderfully slow. I have a video I shot jasut recently of this very thing using a little slimer I designed. But I don't know how to post it and provide the link. Its not much of a video, I'd actually be embarassed to show it. But the point is from a stable harrier with the nose up about 45 degrees, I slowly increase the angle of attack until I'm in a hover and then a torque roll. If I couldn't have controlled the rock, it would have been a mess......