I hope it actually presents itself to the computer as an USB optical drive. Now, is that worth $100? Probably not, as the number of computers which do support

I hope it actually presents itself to the computer as an USB optical drive. Now, is that worth $100? Probably not, as the number of computers which do support booting from USB cd. drives but not USB flash drives is pretty low. Edit: Though as some other mention, some OSes on the other side of the equation are hard coded to install from the optical drive.