The diamond hangers."...Rogers badged drums with some inferior hardware..."
Perhaps you could offer examples of the inferior hardware that was installed on the R-360/380 or Yamaha drums of the late 60's-early 70's. Here are some photos of 60's Yamaha and R-360's.
Anyway, there are markets for both products. I'm merely posing that it might be prudent to save your money for the real deal. That has been my choice; there's no right or wrong.