What Women Want
Thanks to Pud and his excellent Ask Pud Web site, I ran across Dallas Lynn's "Ladder Theory," which carefully analyzes how men and women have different criteria for attraction.
While I could go on at length about the rigor of Dallas' analysis, I'll simply recommend that you go to the source. Suffice it to say that many men I know would do well to heed Dallas' advice. Be forewarned, the site uses the "F-word" quite a bit, but always accurately.