Hello, I am a newbie. I do I tell what version iTouch I have? I know it has 4.1 code and iTunes 10.0.0.68. I had my iTouch sync'd to comp B but had iTunes 10 update problems and erased ALL my files. I want to sync my iTouch to computer A and can't push all my songs back to comp A. Do I need to purchase another program to do this in a CLEAN and EASY fashion? TIA!