So I just got my other account back which was (CRY5lS) after it was hacked and I changed the GT back to what it originally was and now it wont let me post on the forums. It thinks Im a new member and makes me type in a email address so thats what I do and it says username not available. 343 should have Im already a member option. It also does the same thing if you change your windows live ID. 343 please fix this.