Not to generalize, but I do agree with Alex, at least in part. I believe that high percentage of men at some point or other, fantasize about strong, Amazon like women.

Some might find fantasies like that appealing to their submissive side, others on the other hand (or some other extremities, possible) might like the idea of attempting to conquer a woman who is “worthy” opponent (whether or not they do fancy being conquered in the end … hehe – I have my own opinion on that one! :[ )