Roel,
I sincerely believe the more you work with Yamaha's operating system, the more you'll love its versitility. The technological advancements with arranger keyboards during the past decade has really made being a live performer a much easier job.
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.)