An adjustable first-person "Camera Shake" feature, I feel would be a very welcome addition to the next GP Bikes release. I've included a video below as an example.
Start at 6m 14s
https://www.youtube.com/v/O48OJqet5Vg?t=6m14s
Start at 6m 14s
https://www.youtube.com/v/O48OJqet5Vg?t=6m14s