When I heard about the Legacy papers, my first thought, in consideration of the platine and baryta names, was to wonder in a blog post if Canson was indeed the mysterious "European" mill.
Having begun to print one of my portfolios on Canson Platine, which I love, I have yet to make my own comparisons but look forward to doing so.
Interesting to read the opinions here.
P.S. Newby post #2