If you're serious about security, you'll want to read this. http://blog.Winhost.com/surprise-mozilla-firefox-and-google-chrome-store-passwords-in-plain-text/
As many people have pointed out on Twitter, the browsers don't actually store the passwords in plain text, but they do display them that way. Six of one, half dozen of the other, really. But we've updated the article to be more accurate.
