At the end of the day the results of my Waygu vs. CAB were more than conclusive. In the picture below the Waygu is on the right and the CAB is on the left...
CAB on the left, Waygu on the right. These pictures were taken a half hour after slicing - after the taste tests were complete. Hopefully that explains why the slices are a bit ratty looking - this is what was left after the "judging" was complete. The burnt-ends didn't make it to the photo-op :)
I prepared each of the briskets using the exact same methods and products. I injected with Butchers - the rest I'll keep to myself. Both briskets looked good and held moisture well.
Of the five people who judged, two were competitors and certified judges, and one was a hottie who could have married much better than she did! The results were:
3 chose the CAB
2 chose the Waygu after a lot of deliberation (almost came down to a coin toss).
Clearly the issue could have been the cook - but my experience has left me feeling happy with the meat I am able to get at Sam's.