There are some designs in progres sketched out at: http://wiki.mozilla.org/MailNews:Account_Wizard and specifically for email: http://wiki.mozilla.org/MailNews:Account_Wizard:Email
There are some designs in progres sketched out at: wiki.mozilla. org/MailNews: Account_ Wizard wiki.mozilla. org/MailNews: Account_ Wizard: Email
http://
and specifically for email:
http://