I really appreciate this extension! However, some essential features I am missing include:
* Ability to sync settings. I've recently found myself having to delete and recreate profiles to no end, troubleshooting an issue with another extension. Reassigning my banking sites to the banking container, my email to personal, etc., etc. is fun the first time, tedious the 3rd, and frustrating past that.
* Ability to automatically open a site in another container. For example, I forget to FIRST select that I want a certain container, I just go to the site. Oops. Now I have to open the correct container, then go copy the URL and paste it in. Would be great if we could right-click and "reopen" in or "move" to a different container.

I'm certain I gave feedback on the first one some time ago somewhere, but can't find where that was to follow up. (email? Twitter?) I'm finding myself about to recreate a FF profile again, and even just being able to save my current settings and then manually reapply them would be a good workaround at this point...