I wasn't too worried, it's unlikely that Apple will have to block a firewire fraud, nobody's going to build a device with that connection.
Happily my @2003 30GB "3rd generation" iPod (dock connector) still works with iTunes 9.01 and it's still much faster to sync than any other iPod.
The old firewire iPod is an antique by now, but it's still a pleasure to hold and use. It even has the original battery, for which at one point I received a $50 settlement check (battery life is about ten minutes, so it's always in the cradle). I'm surprised it's still running -- it was the 3rd of its kind after two others were replaced under warrantee -- AND the USB-sync never worked (it was perhaps first iPod to incorporate USB sync, even though it wouldn't charge by USB. My model was/is defective.)