Here is a video clipping from one of the many crabwalk moment the car had. The car just slowly creepys to the right under heavy braking (around 1.06G as it was happening). The problem is really noticeable when the pads got warm. The EBD would keep the car straight, but usually not straight enough.
http://www.youtube.com/watch?v=hQO6ZYp85qU