The week of the challenge is over.
I can't say it was a success, but it was eye opening. Often I realized that I had eaten "sugar" after the fact. It was frustrating.
I did a good job of looking for HFCS. I think I avoided it completely... well until today when I had a Pepsi (actually about 6 ounces of a bottle - I tossed the rest). My Pepsi addiction is waning.
I will continue working on avoiding refined sugar.