As your aware it's loads of money. Is it worth it? Only you can deicide. Program scope is amazing!!! The sound are tops. You could buy cut version M3 but again this isn't the mighty Oasys.
Here.
Have a 3 master classes from Jordan Rudess.
http://www.korg.com/sbytes/article.asp?ArtistID=243
If I had the money I'd buy it in a heart beat.