I have a 20 Gig Clickwheel iPod (pre color screen). I used to be able to sync it fully via Firewire or USB 2.0. Recently when i add new playlists or delete songs from playlists.. iTunes starts to sync the songs, but then just stays on the first song forever. I have to do a hard reset to break the cycle. This doesnt' happen with USB 2.0. This is a continuing problem. I reformatted my harddrive to fix it and it worked for a few weeks but it's doing it again. I even got a new (same model) ipod as my old one's hard drive bit the dust. Everything works via USB 2.0 and Calendars adn Contacts WILL sync via Firewire. This problem continues to perplex me and I don't think re-formatting my hard drive again will help. I have quite a few peripherals plugged into PCI USB extnension cards. Is it a power consumption problem? the ipod is plugged into native firewire ports as is my iSight.