As some of you might have already noticed, UU3D with its rigid_model_v2 plugin is not able to open up the new models of Warhammer. Therefore I have contacted the developer of the software. I got a response very quickly. Unlike expected, I did not get a "No, too much work" or something like that right away but instead he said that he would need to compare the new and older rigid_model_v2's to see what has changed. So let us hope that he will be able to update the plugin! I will post any updates here in this thread.
Of course it will not be very useful for modding Warhammer if BOB is not able to convert any models to rigid_model_v2 again, but I have strong hopes that they will add a cs2 converter at some point.