Lee, I've pointed out many times that, if the divisional rivalry theory was correct, the WS MotifXS line would NEVER have got the SA technology. The arranger division invented it, were the first to implement it, and if divisional rivalry would stop the arranger division from making a 76, it would stop the WS division from acquiring SA technology.

Roland do NOT stop making a 76 arranger, simply because there is a KR-series 88 note piano/arranger. They are utterly different products (as a 76 S900 would be compared to a CVP) and do not directly compete, price-wise OR feature-wise. Same with Korg. ONLY Yamaha have this hole in their market line, and I do NOT believe it is anything to do with divisional rivalry.

Personally, I think it is laziness, and complacency. "We're #1. Why try harder?"

Mind you, that's what Roland USED to say....
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An arranger is just a tool. What matters is what you build with it..!