I bought this as a walk around lens for the Nikon D300 and it certainly got a lot of use.
The range is very good and it is sharp to about 150mm or so.
Earlier versions of this lens had problems with lens creep. This example did not.
I found it to be most effective in the 18mm-70mm range or so.
I used this lens quite a bit at car shows and there the zoom range came in very handy.
Here are some examples: Click Here