Supposedly the only difference other than the color is the addition of German-European styles, but I promise you there are some good ones that aren't the US model. Like Blueberry 6/8, Trucker 1 and 2, Drive Christmas, and some others I noticed.
I suppose they will be "floating" around though.
I like the Pa3x more and more every day. Looks like a keeper for sure.
DonM
P.S. Some of the just have different names, it seems.
I have these styles from the Korg PA500 Musikant. They need some tweaking and only have 2 fills. If you want them I can sent them to you.