Here are some demos of the Ketron audya and the tyros 3. I'm sure what version of the audya but it's sure not v.1

Audya http://www.youtube.com/watch?v=tECgWVgVA8U

Tyros 3 http://www.youtube.com/watch?v=2MRVXJxq02g&feature=related

Audya http://www.youtube.com/watch?v=bwoB5vqEsZQ

Tyros 3 http://www.youtube.com/watch?v=eM6l6hUfW7A
_________________________
Ketron X1 (Oldie but Goodie)