Deane, you know what's strange? I went through the very same situation with Tyros2 and Tyros3. I found the former to be "sweeter yet mellower" sounding than the latter, and I wasn't entirely surprised to find I was not alone in that determination.

However, some people actually preferred the sound of the Tyros3 to the T2 AND the Tyros4, so go figure?

I had a demo Tyros3 here, and I wasn't sure at that time if I would be taking an earlier retirement, so I wanted to get an instrument while i could still get my employee's discount.

I started looking for a new leftover Tyros2, but then scrapped the plan when I learned i'd be staying on a while longer.

The demo Tyros3 ended up with someone who really wanted it, and I got a PSR-S910 for a demo, another instrument of which I am very fond.

When the Tyros4 came out, I immediately liked how it sounded, which was, in my words, "sweet and mellow' much like the Tyros2, but with all the goodies of T3 and, of course, the new features I was hoping for, especially being able to use SA/SA2 voices in the accompaniments.

I've played a friend's Tyros5 several times now, and if I absolutely needed a 76-note arranger, I know I could live with it, perhaps even getting it to sound more like the Tyros4, but luckily, a 61 note keyboard is all I need for arranger work.

It's strange how the sound seems to have changed on every second Tyros, even if some say it's only minor.

Ian