If you're still having problems getting the Selle An-Atomica to work well for you, you might try contacting the company directly.

When I ordered my saddle (from TE) I was told that the company is VERY accommodating, patient and helpful to people who are having fit issues.

The contact info from my instruction sheet is:

Email: cs@mcmwin.com
Phone: (707) 372-6540
On the web: www.mcmwin.com