At 18mm, central sharpness is excellent from f/4 right through to f/11, very good at f/16 and good at f/22. The edges are good at f/4, very good from f/5.6 to f/11, good at f/16 and fair at f/22 ...

The closest would seem to be the 18-135mm, with longer reach and lower price, but without that f/4 aperture and without Power Zoom. On that basis, the new lens seems fairly priced. For more lens ...