Just for fun, I put the graph together shown below (hey, I'm an engineer, math is my gig).
I highlighted in red the ratings region where I thought men and women would be most competitive -- using the highest women's amateur rating as a high-point. I also put a second graph together which shifted the women's ratings by 100 points to see how that tracked with men's ratings. Any comments?
Chuck, does this look like the data you have? (Thanks for making this available, by the way -- I got the data from you on this thread and from the PDGA ratings pages.)
I generated this graph using this Matlab M-file: ratings.m