It also counts protein, fat, carbohydrate, fiber, and lots of other nutrients the USDA has tucked away in their data base. Uncluttered, fast, informative - government agencies in charge of food could learn from a site like this. :)
The owner of the site also has a blog. His last entry on November 6th points to a spectacular table he just created that compares basic nutrition facts for some popular foods from over 20 fast food restaurants:
Fast Food Restaurants & Nutrition Facts Compared
Clicking the table will take you to his complete list.
It amazes me what individuals can accomplish between meals.