I didn't say I love it.  Jury is still out.  I do like the controls, feel, styles and sounds.  But the only thing I didn't have on PA4X was the lighter key feel.
This thing is LOOOONG.
I am in the process of creating all new Registrations, using my old ones as a model.  Almost every style can be changed or updated to sound better than on previous Yamahas, except maybe the SX900.  It's styles were also updated a lot.
The Audio styles are still my favorites.  Wish there were more.
So far I've only heard it through headphones and the Logitech system in my office/studio.
Maybe today I'll set up the real P.A. system.  I hope to use the Genos on the job by next weekend.  That will be the real test.
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DonM