For sale at Yamahasoft's website (someone can post the exact address) are styles by a third party, Midispot.

I purchased a set of 8 styles called Swing for the price of $25.

I was somewhat disappointed after purchasing the Yamaha Power Styles. A few of the styles had unappealing notes in the arrangement. Some of them had very cheesy sounds. About four of them were halfway decent so that I might use them for a number.

These styles might be useful for a specific song, so some people might be interested in them.

Other players might enjoy them, but with the large number of professional styles out there (Many of us downloaded the CVP209 styles back in the days of the Wild West), I would listen very carefully to the MP3s available before I purchased another Midispot set.

Beakybird