im about to upgrade to 2.0 from my 1.1.4. I was thinking i can downgrade it if i ever wanted to go back. I have the application "ibackup" from ipodtouchmaster. How would i go back to the way my ipod is now with ibackup from 2.0? Do i just downgrade, jailbreak, and restore my 1.1.4 from ibackup?