Stu, your metric units must be different than the ones we use over here. 60 Km/H is about 37 MPH here, and 150 Km/H is about 93 MPH.
The suburban roads where I live have speed limits of 60 MPH (about 97 Km/H) and up. 70 MPH in 2nd is about 5050 RPM, so I'll definitely be using the higher gears...
JR