You can buy it for 100 vote points from http://wowmortal.com/vote.php?act=spend&rid=1
To vote go at http://wowmortal.com/vote.php
Make a ticket ingame and hand it out to a GM, you will get one cataclysmic main set item or 1 handed weapon for it. 2 handed weapons require two tokens.
You can vote and buy from multiple accounts and get the rewards on any account you want, so VOTE, VOTE and VOTE!