[djbaxter]

Actually, what I posted above is for vBulletin 4.1.4.

Here are the changes for 3.8.x and 4.x prior to 4.1.4:

There is a new user, $username at $vboptions[bbtitle]

View Profile: $vboptions[bburl]/member.php?u=$userid

Check IP location in Melissa:  http://www.melissadata.com/lookups/iplocation.asp?ipaddress=$ipaddress

Check for Spam (email): http://www.stopforumspam.com/search?q=$email
Check for Spam (name): http://www.stopforumspam.com/search?q=$username
Check for Spam (IP): http://www.stopforumspam.com/search?q=$ipaddress

Delete this User: $vboptions[bburl]/admincp/user.php?do=remove&u=$userid
Ban this user: $vboptions[bburl]/modcp/banning.php?do=banuser&u=$userid 

Email Address : $email
Birthday : $birthday
Referrer: $referrer
IP Address: $ipaddress

$customfields