I have been reading this thread and it seems some of the answers are alittle confusing, I thought I would clean it up a bit.
I have an Ipod touch first generation, has the metal back and no internal speaker.
I have updated my Avic F90 BT to the new 2.0 firmware
I have updated my Ipod touch to the 2.1 firmware (meaning I now have app store)
Everything works regarding the ipod interface including video
For those asking about paying for the 2.0 firmware for your ipod touch, search online and there are places that have it posted for free. Once you have the 2.0 installed on your