Updating model bone rotations manually

Hi All,

I am trying to copy bone rotations from kinect to a model by setting localRotation on the bones, but it's not looking right at all. Is there some agreed upon starting point for models (like the t-pose) that I need to reset to first before applying the transforms? If so, how to I get that information, because my model is not in the t-pose by default. I tried grabbing the local rotations in start() and inversing them up the chain, but it still doesn't look quite right.

Thanks
Ray