Re: Email address as user name?
yes right, at the moment the login name is used on all places in the forum, in WP you have the option to choose what user information will show up on the blog pages.
BTW. using an email address as login is not smart, just imagine you will loose the email account and you can’t recover the password because teh mail is send to the old email address.
I wrote some authentication class and most of the users are happy with a separate login name. In bbpress it’s possible to use multiple login names with same email address, this is sometimes very helpful…