I started playing tenor sax for 3 years. After one year, I decided to buy me a new mouth piece for a better sound (I had a standard yamaha). I'm very content, especially in relation to the price.
The handling is good, you can clip it easily on the s-bow.
The responsiveness is very good, you can form the tone sensitive and soft (if you want to).
You can get a bell shaped sound with the tool. The tone spectrum is well balanced.
Buying the Selmer S80D was a great motivation for me, it's still a pleasure playing it.
I'm playing with a drummer and a bass player in a jazz trio.
All in all I think it is suited for playing in classic style or smooth jazz. It's not "rough" enough for bebop or blues.