WordPress MU

I've searched the forums, the codex, and generally all around but I haven't seen anything too recently about SSL or LDAP. I was just wondering if anyone out there is using SSL for WPMU login? Or anyone with LDAP integration?

Many thanks,
Jeff

http://www.weblogs.uhi.ac.uk/sm00ay/?p=158
http://blogs.montclair.edu/grayw/?p=527