So the question we each need to ask, on behalf of ourselves and our employers, is how long will it take to transition my/our setup to IPV6?

If the answer is greater than 2 years, it would be prudent to start doing something about it now.

There's FirefoxADM: http://ick2.wordpress.com/

This stuff really needs to be in the core of Firefox for it to gain corporate users.

And good riddance to them too. Thanks for encouraging us all

about:config

network.automatic-ntlm-auth.trusted-uris

Yup, firefox supports NTLM authentication, and has for a long time, and it works for me.

You can.... X-UA-Compatible. 10 mins on Microsoft's IE blog would have told you that....