I have gone through the specifications of both.As the sensor resolution is 16.2 Vs 18 MP & Sensor size 23.6 X 15.6 Vs 22.3 X 14.9 respectively. Kindly help me with your experience, as i am much into landscapes & Portraits. I am having a Nikon D3000 + Nikkor 18-55 (kit lens) + Nikkor 70-300.