I am using a Nikon D3100 since Nov 2010 and built up a series of Nikon lenses (Nikon55-200/Nikon 50 mm 1.8D/ Nikon 35mm 1.8G/ Sigma 10-20) around it. My point of interest is 'people'.
Now for sharper and better qualities, I need an upgrade. May go for D7000 or D7100...but problem is that on...