It's like parts of your body are attached by strings, and someone is constantly pulling at them, making you jerk around constantly. It's hard to concentrate with Turrets because of this, and people tend to judge you for them. And it's all involuntary too, so there isn't much you can do about it.
I would still try it. You may like this better.
Archers are... meh, they're archers. I wasn't too impressed with the class, but feel free to be one.