We just shipped a Fasttrack son that we used on our RWF commercial cows. He was the best performance/calving ease Char bull we have ever owned. I guess we got lucky, he was also solid on all four corners, some of the Fasttracks were a little weak in the front legs.
I'll agree with whitecow. We never used any WW sons, as we were after performance. I really don't care what kind of cows a white bull makes, none of them stay around here.