I don't own the TZ but do own a 66" Super D. To me they handle a little more like an ASL than R/D but ymmv. Really they are a unique little animal all their own. I tried and tried to be a bow snob and to not like mine because it's not really an ASL or a R/D without success. Has a little pulse like an ASL, grip like an R/D, straight thru the handle but a hint of curl at the tip. Just a different design.
But with all that said, it just plain shoots for me for some reason. The draw is smoother and more linear than any I have felt. The shelf is tiny and cut perfect, I have struggled at times with string torque issues and have to really mess up bad to clank one off the riser. They may not be for everyone but don't knock it until you try it, they are absolutely fantastic longbows if your not hung up on being purely Hill.