Diverse topics, great networking opportunity, inspiring demonstrations of women helping women.
There honestly aren't cons. Of course, the community will improve as more members join, which is inevitable given the quality of the forum.
I've been watching Leap grow over the last year, and love seeing its evolution. I've also become legitimate friends w/ a few women that I've met through Leap. I wish this existed years ago, when I first entered the tech scene in San Francisco. Thank you, Cadran!