you may wantt o add your voice to my request in suggestions
I am now adding users via a mysql client, scary and you need to check user names don't pre exist but its a lot easier than the switch on reg, register, switch off registration.
You may find these 2 links useful
to complete join date it uses unix format converter here http://www.onlineconversion.com/unix_time.htm
password hasher so you can convert a text password to MD5 is here http://www.tutorialtastic.co.uk/md5hasher.php?p=process