I have a selle italia my riding buddy pulled out of his garage, that was hand me down from another guy. I have narrow hips and small sit bones, so I find that the mens saddles work best for me. I am getting the one with the cut out spoken as above, new as a present( what a great present!) , and I will tell you how I go too.
I have had some problems training myself to sit properly too, not being strong enough for group rides yet so riding alone for last year.I had pain in my shoulders( moved seat down a bit, it was quit high as I was so flexible thru yoga, my good salesman thought perhaps it may suit me).
Then I had elbow pain( stopped locking my elbows,mainly in spin class, and concentrated on doing just that on every ride), then numb hands. I suffer from bad circulation in hands, so Im not sure if Its leaning to far forward or body design problem.
Sitting up higher make a huge difference in arm pain for me.I am tired when I come home from work, and leaning on hands ( due to tired back and tummy) and not keeping abs tight seems to cause pain.
Pilates, as said before is great. I do sit ups too.

