Hello!
I've been using this mail template for my WotLK phishing site for a while and it's working pretty good.
I made it with help by another template Me0w created, they can be found here.
I just edited these a bit to get a more WotLK look.
It's not completely finished (I believe that it can look alot better and I work on it whenever I've got time)
Here it is

It's just a template so you can basicly do what ever you want with it..
I played around with some really basic html and just to show you how a mail with this template could look like,
(you could just co]py-paste this code in notepad and
save as [filename].html and then open in to just see some results
)
Code:
Wrath of the Lich King BETA
You have been chosen!
Greetings!
You have been chosen to become a participant for our upcoming World of Warcraft expansion: Wrath of the Lich King! The beta will commence in two months from now, and we are accepting applicants for the closed beta until February 31th. However, if you are the original owner of your World of Warcraft account, you are granted a spot in the beta. All you need to do is to confirm your account, but hurry! Time is limited, and we have a selected amount of spots to fill for the beta testing period.
To accept the beta and confirm that you are the original owner of your account, you need to visit the Wrath of the Lich King BETA Signup and fill in your account information. It will take about 3-6 work days before you will receive any response.
Sincerely,
Blizzard Entertainment Inc
Account Administration Team
P.O Box 18979, Irvine, CA 92623
By Rodert =)
So if anyone wants to use it! Feel free to do so!
Rodert