The other significant thing about this session was the use of the 'Artic Butterfly' dust removal tool. We obviously shot this on white and in doing some test shots I realized I had a boatload of dust on the sensor. I think I reported doing a 'wet' cleaning of the sensor around 6 months ago. I bought the Artic Butterfly around the same time but had not needed to use it until now and it worked really well - I didn't need to do any spotting of the photos from this session.
A word of caution: if you plan to use a brush on your sensor be sure to do a 'wet' cleaning first, in case you have oil spots on the sensor as I did. I quickly ruined my first sensor brush this way.
Nikon D3, AF-S Nikkor 24-70 f/2.8 @ 70mm, 1/125 @ f/10, ISO 200, Handheld, Studio