Can they get a Lithia for you to try? The front part of the cutout resembles the Jett more than the Alias (it is a woman's saddle), although it's not open in the back, if you have tailbone issues.

A Lithia is what I've wound up with right now, as it was the one my LBS had in stock. I'm glad I didn't wait to order a Jett now you're saying they're unavailable! I was a little skeptical about the extra padding in the Lithia as compared to the Jett and Ruby, and I haven't done a long ride on it, yet, but it's plenty comfortable over 45 miles.

And it's cheap.