The SX900 was released on June 2019, so I expect it to be replaced no sooner than in a year. On the next model there are likely to be features of SX600 which are unison and accent features, audio over USB, some extra bonuses.

I thought that after buying the SX900 I would abandon my Juno DS76 and guitar but I got back to them after a couple of weeks of playing the SX900.

After playing the S950 for many years it was refreshing to play the SX900, besides, my S950 was not in a good shape. But altogether the difference between these models is not that crucial. I believe, switching for the first time from some entry level keyboard to something like Yamaha PSR-SX600 would be much more of an excitement.

I could’ve said “the SX900 is a great keyboard, go for it!” but while I consider this upgrade reasonable, I wouldn’t be overly exited about it; it doesn’t fix everything. Also, I would never pay the official price for the SX900; got mine 25% cheaper.

I tend to think now that PSRs in general are designed to play with styles. In a way it forces you to play with rhythms even if you don’t feel like it. This is the reason why I still rely on my Juno DS.

The SX900 also has a weird thing when you hold a note for a really long time: it stops before it fades out. It’s not noticeable during normal playing, and basically it’s not a problem at all, but it sorts of emphasizes that it’s not a piano.

The JunoDS has a lot of weird things as well, so I can’t say that there is a safe choice at all. Basically, there is no satisfactory as long as you are being a perfectionist.