I just bought my 2nd B67. It felt lovely from the start (just like my 1st B67 which I bought last year) but I could definitely tell the difference between the new and the older "broken in".

My 1 year old B67 is still "hard" leather, but boy is it customized to my lopsided pelvis!

And btw, I follow the same Proofhide schedule that Mimi does. That Proofhide is good stuff.