Why being a female founder sucks... and rocks
youruisucks.tumblr.com
youruisucks.tumblr.com
It basically argues that historical "male expendability" has geared men towards a predisposition for higher risk endeavors.
Ha ha ha ha. Right on.
On the topic of heels and tech events, here's a really cool lightning talk by Pamela Fox about whether feminine can be geeky: http://www.youtube.com/watch?v=MIhPYefRndc
We're taught to be polite, warm, and deferential, and to thank someone effusively when they do something for us. I've seen men work the same angle, though.