I almost got rid of it because I thought you needed better glass with the D800, but I am really liking the 70-300 paired with the D800. You got some terrific shots. I think I'll be hanging on to mine for a while longer.
At first I thought the only lens I had that would let me use the camera full frame was my sigma 150-500 and my Tamron 11-24(both extremes). I dug out all of my lens and found the 70-300 stuffed down in an old camera bag. I also ordered an old AF Nikkor 28-105mm 3.5-4.5, got it used for less than 200.00. Now I am covered thru all the ranges. Now the only lens I want is a Sigma 150mm macro to replace my 180mm that was stolen. I can't afford the more expensive glass, so I will have fun with want I have and can afford.