I am using this awesome plugin along with Limit Login Attempts (http://wordpress.org/extend/plugins/limit-login-attempts/). I like that the login error messages are removed in general, but I'd like to have the messages displayed when they are locked out so my users don't go insane.
I've manually changed the acx-styles-extra.css file and removed the #login #login_error directive. This actually allows the error message from Limit Login to show up when users get locked out. It actually stays blank for other errors (due to WebsiteDefender security plugin clearing out the message I assume).
I'm ok with the way that works, but I'd like it to be an option so I don't have to remember to hack the stylesheet when you release a new version.