I agree with Beakybird 100 percent. Plus there is one added feature--support. If you're looking for third party styles and help with problems, there are more 3rd party styles for Yamaha boards than all others combined. Ask a quesion about your keyboard here or any other general aranger forum and you'll have a viable answer in less time than anyone can imagine.
Good Luck,
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)