Retrofit kits will be available to fit the Pro600 to an existing 2100 or 2300 series AFS combine, and to existing 1200 AFS planters.
As of right now, I believe Ag Leader is the only software vendor that can read the data, and I'm not sure if they can write the setup data or not. If you have a contact at CNH AFS Engineering, I would suggest that you let them know you're interested.