http://www.apple.com/hardware/superdrive/ I know I did this update once, but if I reformat the HD and install Tiger, will I need to do this again? Using 8x DVD-R is a must, so I'll need this. The computer is a QuickSilver. If anyone is familiar with this update, that would be great. Also, will I need to download it or will software update take care of it? Maybe it is one of those one time firmware flashes...I have no clue. Also, will it work with Tiger?