This is especially useful for women who have no waist. I was reading comments earlier on another blog and someone mentioned that Claire Kennedy has good information with photos explaining what works and what doesn't.

http://clairekennedydesign.typepad.com/

Scroll down through the February posts and her analysis of Dame Judi Dench's hits and misses with her no-waist body.

It's all about proportion and fit. I'm going to have to read all her blog posts.