Well, pro53 is not ready yet. it chrashes all the time and you shoud be carefull what you. If you change the audio port hole computer crashes. I have opportunity to change midi channels. If change channels and open the program again the same omni settings is again there, back. Sounds are rather great but so .. f you can't run the the program... I have mac G4 and pro tools le 5.1. intergration works but pro 53