1) register a new account with the promotion code
2) back up your site files
3) transfer your current domains to the new account
4) upload the site files to the new account.
5) if you cannot do without your old username, then you can link the 2 accounts together afterwards.
... or you can just ask me to host any domain for you using my account 8D
MoWrOw's Biz&Tek BLARG!!! (TM)
Connect to me at MoWrOw.com 8]