It sounds like you are getting bored with yourself, you are forcing yourself to be inspired all the time like you were when you just bought your arranger. I recommend you stop playing for a while (of course if you are an amateur player) and start listening to the music you like, do something you enjoy doing then go back to your Pa3x.
This arranger is amazing. I also get inspiration from the Tyros'demonstrators because they are awesome but they would sound alike in any other good arranger.
When you return to your Pa3x search on YouTube the music you like and play along with the keyboard until you learn it, at first playing the melody later the chord and finally adding the proper style.
Korg style collection is not huge like the Yamaha but it is more versatile, you can easily add individual multipads in the style and also make a lot of them by copying from style parts.
Arrangers are inspirational at first but actually inspiration should arise from yourself and the music you listen.