Our tech staff has a gForge installation that has LDAP configured and all the other goop, but only supports svn. Not managing accounts, password resets, and the inevitable extra map from student id jgordon to login SassySystemsHax0r is a big win.
Since it's their first time using SCC, I already have to deal with "but I just forgot to commit!" for the first two weeks. I'm a little worried that with a DVCS, I'd then also have to deal with "but I committed -- what do you mean I have to push, too? Well, can you grade against the local timestamp?" And that will happen all quarter...