On my 5 speed/ZX3 last time I filled up I got 32 MPG.
I shift 3000-3500 all the time (unless I'm filling leadfoot-happy) but even if I 80% of the time am shifting up in the higher RPM's I still get 29-30 MPG. My lowest has been 24 MPG but that was all city driving.
In the ST the highest has been 31 MPG (I think) and the lowest has been 26 MPG. Shifting around 3500-4000 RPM each time.