I use and really like LastPass. In particular, its integration with browsers (and my smartphone) with the random password generation means that my passwords are

I use and really like LastPass. In particular, its integration with browsers (and my smartphone) with the random password generation means that my passwords are all unique and non-rememberable (and thus unphishable, since I rely on LastPass to fill the password for me, which it only does on a domain match). Things like their security check are just icing on the cake.