i have a couple of Niklon d200's and an assortment of lenses. fav ones bieng the 18-55 vr and the 55-200 vr. i am going to hawaii next month and wanted to get an 18-200 so i can consolidate a little, but dud nit want to spend the 6-700 for the nikon. does anyone know anything about the QUANTARAY 18-200MM OS DI LENS? i can get it dir about 400 shipped and it is rated rather high. Thoughts?