Yep, it's a nice (albeit not essential) bonus for those who already have an iPad, but it's a slap in the face for those without one. Most of us have laptops and computers, but iPad is nowhere near as universal.
I still believe that dropping the touch screen (remember, the E50 retailed at nearly half the price of a BK9) is a huge blunder.
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An arranger is just a tool. What matters is what you build with it..!