Thanks, 2poodles! I found one more pic that's much better - taken with our iPad instead of my crummy iPhone, lol! It's a little overexposed, but you can better see how much gray there is. I wish it were more clumped and streaky than sprinkled evenly throughout, but oh well:

Our Gray Journey Diary-imageuploadedbycurltalk1347831509.969502.jpg
Sulfate/non-water-soluble silicone free since 8/16/10
Northern VA
Med-coarse, normal porosity, low elasticity
Dye-free since 11/2010