https, we're not using 'GET' parameters for the hash (which is almost certainly ending up in log files on leakedin's site). We also just came out with a version for eHarmony's breach: https://lastpass.com/eharmony/
Completely off-topic but am I the only one that has been having problems viewing secure notes on FF 13? I can view them once every time I start Firefox but after that they just don't pop-up.