I know the original post goes back to May and I am answering in October but I had to double check the weight of the D300. I have a D300 and never checked the weight of it, I am so use to the weight that when I use a lighter camera I have a harder time holding it steady.
This is from Nikon's website;
Weight Approx. 825 g (1.82 lbs.) without battery, memory card, body cap, or monitor cover
Almost a 2lbs camera with out a lens.