In both Google Chrome (16.0.912.63) and Firefox (10.0) when I use my keyboard shortcut to login to a website the 1Password Login window pops up. It doesn't do it with Safari (5.1.2 (6534.52.7) only the other 2. Sometimes it prohibits the login but most times I have to click the correct login in the open window.
My system is:
MacBook Pro 15" 2007