Such a handy thread. The consulate in NY got my package last Monday, and no confirmation. However, that doesn't seem to be completely out of line with the experience of others so I will now make a nice dinner, and continue on with packing instead of panicking.
I am optimistic, because my husband is an Icelander living in London, so I count as an EEA family member. That seems to have it's advantages -- treaty law vs. whatever they feel like doing today law. Still, one never knows...
Good luck to all of us in the middle of the process, and many thanks to everyone who's sharing their experiences.