Your account was suspended for Inactivity,i had un suspended it.Suspended accounts cannot login to Cpanel.Now you should be able to login.
For FTP details read this http://x10hosting.com/wiki/FTP_Details
Change of Account Name is not ALLOWED,and we don't remove forum accounts also.If you want we can terminate only hosting account.So that you can sign up and start from scratch.
Your account is permanently suspended for violation of TOS.We don't manually delete such accounts.You have to wait for its automatic removal.It may take 14 days or more