1. Some buttons that were on the PSR-740 (a MOTL arranger from 11-12 years ago) like TALK ON/OFF, VOCAL HARMONY ON/OFF, VOCAL EFFECT ON/OFF.

2. The real drums.

3. A few of the T4 choir voices.

4. The new harmonizer

5. More dsps

I think we can assume that it will have most if not all of the T3 voices. I wouldn't be surprised if it had simm slots for Premium voices.

This is fun.