Got it. I bet your answer explains a problem I've had with an external cd-r. on 2/8/04 9:10 AM, Gerhard Kuhn at gerhardk at mac.com wrote: > It won't work because it is external. You can fit your tower with an > internal Pioneer drive bought anywhere and it will work with iDVD. If > you put that same drive in a firewire case it will not allow iDVD to > work but Toast will work with it. According to Apple this is licensing > issue but others feel it has more to do with promoting new hardware > sales. > > Gerhard