Ensnareyou wrote:

You have to take into consideration that the features of the KN7000 far exceed those of any Yamaha arranger, even the Tyros and 9000 Pro... Once you become familiar with the KN's functions, especially the sequencer, style, and sound edit functions, you'll see how limited Yamaha really is compared to the KN.
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Well, Is your opinion only comparing KN7000 with Tyros and 9000Pro, or is it about all Yamahas and all KN?.

In short, do you think KN2600 features far exceded those of PSR2100? I would like to know your opinion about these two keyboards and in what KN is better.

They have similar price, and I think buy one of them.
Thanks.