I came across a Nikon D50 that's being offered with the kit Nikkor 28 - 80mm F/3.3-5.6 G lens or a Quantaray 28-90mm F/3.3-5.6 lens. The Quantaray lens and camera come at $50 cheaper than the Nikkor though. Can anyone recommend one over the other or give some reviews of the two? Thanks!!