Have you actually created your new group yet, Bugs?
The only reason I am asking is because you don't
get to choose which email you sign up with like MSN Groups- you
have to log into Windows Live and then join the particular
Window's Live Group so whatever address you
used to create your Window's Live identity is
displayed.
The format is nothing like MSN Groups, at least
not as far as the custom pages are concerned, a feature
I have used extensively at my MSN Group.
We can agree to disagree on this one but to my mind the only thing that resembles MSN Groups
is the reply box itself.