Last pass has come up in a couple of threads. I've been looking at similar functionality and the solution we're looking at seems promising so I thought I would share.
Where we're coming from: Not entirely happy with the current cloud solutions. I am not opposed to storing such data in the cloud (although it would require updating agreed practices with a couple of sensitive clients), however I haven't been bowled over the the approach taken by any that I have looked at.
We've, rather disappointingly, ended up with a short list of 1:
http://keepass.info/ Data is store locally, which isn't right for everyone, but is perfect for us as group access is a requirement. We'll be storing data in a shared network location.
Plugins are available for IE, FF and Chrome. Can be run from a thumb drive (protected by master password) if that is your bag.
still have a few unanswered questions, but it looks like a contender.