Its a pitty that he wont support Unix because his tools are very unix like. Maybe he could be bribed. Would he be willing to license the code He does. He seemed rather hostile when I asked about doing a linux port. Unfortunately it does not.
Mixed mode is simply multiple tracks with different data formats.
The main difference between DAO and TAO is that for DAO the laser is never turned off during the recording. You can even do a single track in DAO mode. Well I did this some time ago, purge windows. My primary box is Linux only. Well Its always good to hear that someone understands and says Lets see what we can do.