For daily driving, I usually shift in the 2500-3000 range. However, after driving sticks for 40 years, I am one who listens to the sound of the exhaust and use that as my shift points. As others have said, it all depends WHAT type of driving you are experiencing
or
that will determine where YOUR shifting will occur.
It takes a while, but before you know it, you will be shifting automatically without the use of shift lights, RPM's or other means.