Lots of support for the PA3X here on SZ and even more on Korg's forum.
Haven't played one for any real length of time, but what I did hear was very good indeed, especially the styles.
Also, it's received rave reviews here on SZ with nothing but positive comments.
Good luck, Ky.
Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.